Impact of the SARS-CoV-2 pandemic on routine immunisation services: evidence of disruption and recovery from 170 countries and territories

Vaccine hesitancy: the next challenge in the fight against COVID-19

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Early Estimates of the Indirect Effects of the Coronavirus Pandemic on Maternal and Child Mortality in Low- and Middle-Income Countries

Roberton, T., Carter, E. D., Chou, V. B., Stegmuller, A. R., Jackson, B. D., Tam, Y., Sawadogo‐Lewis, T., & Walker, N. (2020) · The Lancet Global Health · doi:10.1016/s2214-109x(20)30229-1 · Cited by 1,406 · see citing works

Estimating global and regional disruptions to routine childhood vaccine coverage during the COVID-19 pandemic in 2020: a modelling study

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Routine childhood immunisation during the COVID-19 pandemic in Africa: a benefit–risk analysis of health benefits versus excess risk of SARS-CoV-2 infection

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Building resilient health systems: a proposal for a resilience index

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Effects of the West Africa Ebola Virus Disease on Health-Care Utilization – A Systematic Review

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Meeting of the Strategic Advisory Group of Experts on immunization, October 2009 - conclusions and recommendations.

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The impact of the COVID-19 pandemic on immunization campaigns and programs: a systematic review

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Reduced vaccination and the risk of measles and other childhood infections post-Ebola

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Mapping routine measles vaccination in low- and middle-income countries

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Why measles deaths are surging — and coronavirus could make it worse

Roberts, L. (2020) · Nature · doi:10.1038/d41586-020-01011-6 · Cited by 86 · see citing works

Childhood vaccinations: Hidden impact of COVID-19 on children in Singapore

Zhong, Y., Clapham, H., Aishworiya, R., Chua, Y. X., Mathews, J., Ong, M., Wang, J., Murugasu, B., Chiang, W. C., Lee, B. W., et al. (2020) · Vaccine · doi:10.1016/j.vaccine.2020.12.054 · Cited by 77 · see citing works

COVID-19 and routine childhood immunization in Africa: Leveraging systems thinking and implementation science to improve immunization system performance

Adamu, A. A., Jalo, R. I., Habonimana, D., & Wiysonge, C. S. (2020) · International Journal of Infectious Diseases · doi:10.1016/j.ijid.2020.06.072 · Cited by 72 · see citing works

Protecting essential health services in low-income and middle-income countries and humanitarian settings while responding to the COVID-19 pandemic

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Short term impact of the COVID-19 pandemic on incidence of vaccine preventable diseases and participation in routine infant vaccinations in the Netherlands in the period March-September 2020

Middeldorp, M., van Lier, A., van der Maas, N., Veldhuijzen, I. K., Graaf, W. F.-D., van Sorge, N. M., Sanders, E. A. M., Knol, M. J., & de Melker, H. E. (2021) · Vaccine · doi:10.1016/j.vaccine.2020.12.080 · Cited by 64 · see citing works

Progress toward polio eradication—worldwide, January 2019–June 2021.

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Building health system resilience in the context of primary health care revitalization for attainment of UHC: proceedings from the Fifth Health Sector Directors’ Policy and Planning Meeting for the WHO African Region

Tumusiime, P., Karamagi, H. C., Titi-Ofei, R., Amri, M. M., Seydi, A. B.-W., Kipruto, H., Droti, B., Zombre, S., Yoti, Z., Zawaira, F. R., et al. (2020) · BMC Proceedings · doi:10.1186/s12919-020-00203-2 · Cited by 52 · see citing works

COVID-19 and missed routine immunizations: designing for effective catch-up in Canada

MacDonald, N. E., Comeau, J. L., Dubé, È., & Bucci, L. M. (2020) · Canadian Journal of Public Health · doi:10.17269/s41997-020-00385-4 · Cited by 49 · see citing works

Delays in polio vaccination programs due to COVID-19 in Pakistan: a major threat to Pakistan's long war against polio virus

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Polio Amidst COVID-19 in Pakistan: What are the Efforts Being Made and Challenges at Hand?

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An Introduction to the Grade of Confidence Used to Characterize Uncertainty Around the WHO and UNICEF Estimates of National Immunization Coverage

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A multinational Delphi consensus to end the COVID-19 public health threat

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Global antibiotic use during the COVID-19 pandemic: analysis of pharmaceutical sales data from 71 countries, 2020–2022

Nandi, A., Pecetta, S., & Bloom, D. E. (2023) · EClinicalMedicine · doi:10.1016/j.eclinm.2023.101848 · Cited by 227 · see citing works

Primary Health Care for Resilient Health Systems in Latin America

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Routine Vaccination Coverage — Worldwide, 2020

Muhoza, P., Danovaro-Holliday, M. C., Diallo, M., Murphy, P., Sodha, S. V., Requejo, J. H., & Wallace, A. S. (2021) · MMWR Morbidity and Mortality Weekly Report · doi:10.15585/mmwr.mm7043a1 · Cited by 142 · see citing works

Routine Vaccination Coverage — Worldwide, 2021

Rachlin, A., Danovaro-Holliday, M. C., Murphy, P., Sodha, S. V., & Wallace, A. S. (2022) · MMWR Morbidity and Mortality Weekly Report · doi:10.15585/mmwr.mm7144a2 · Cited by 131 · see citing works

Global, regional, and national trends in routine childhood vaccination coverage from 1980 to 2023 with forecasts to 2030: a systematic analysis for the Global Burden of Disease Study 2023

Haeuser, E., Byrne, S., Nguyen, J., Raggi, C., McLaughlin, S. A., Bisignano, C., Harris, A. A., Smith, A. E., Lindstedt, P. A., Smith, G., et al. (2025) · The Lancet · doi:10.1016/s0140-6736(25)01037-2 · Cited by 143 · see citing works

Access to Vaccination among Disadvantaged, Isolated and Difficult-to-Reach Communities in the WHO European Region: A Systematic Review

Ekezie, W. C., Awwad, S., Krauchenberg, A., Karara, N., Dembiński, Ł., Grossman, Z., del Torso, S., Dornbusch, H. J., Neves, A., Copley, S., et al. (2022) · Vaccines · doi:10.3390/vaccines10071038 · Cited by 126 · see citing works

Influence of COVID-19 on trust in routine immunization, health information sources and pandemic preparedness in 23 countries in 2023

Lazarus, J. V., White, T. M., Wyka, K., Ratzan, S. C., Rabin, K. H., Larson, H. J., Martinón‐Torres, F., Kuchar, E. P., Karim, S. S. A., Giles‐Vernick, T., et al. (2024) · Nature Medicine · doi:10.1038/s41591-024-02939-2 · Cited by 127 · see citing works

Pertussis vaccines, epidemiology and evolution

de Cellès, M. D., & Rohani, P. (2024) · Nature Reviews Microbiology · doi:10.1038/s41579-024-01064-8 · Cited by 105 · see citing works

Progress Toward Regional Measles Elimination — Worldwide, 2000–2021

Minta, A. A., Ferrari, M., Antoni, S., Portnoy, A., Sbarra, A., Lambert, B., Hauryski, S., Hatcher, C., Nedelec, Y., Datta, D., et al. (2022) · MMWR. Morbidity and Mortality Weekly Report · doi:10.15585/mmwr.mm7147a1 · Cited by 100 · see citing works

Social Signaling and Childhood Immunization: A Field Experiment in Sierra Leone

Karing, A. (2024) · The Quarterly Journal of Economics · doi:10.1093/qje/qjae025 · Cited by 98 · see citing works

Routine vaccination coverage—worldwide, 2023

Jones, C. E., Danovaro-Holliday, M. C., Mwinnyaa, G., Gacic-Dobo, M., Francis, L., Grevendonk, J., Nedelec, Y., Wallace, A., Sodha, S. V., & Sugerman, C. (2024) · MMWR. Morbidity and Mortality Weekly Report · doi:10.15585/mmwr.mm7343a4 · Cited by 84 · see citing works

Impact of the COVID-19 pandemic on routine vaccine landscape: A global perspective

Basu, S., Ashok, G., Debroy, R., Ramaiah, S., Livingstone, P. G., & Anbarasu, A. (2023) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2199656 · Cited by 84 · see citing works

Recent trends in vaccine coverage and confidence: A cause for concern

Eagan, R. L., Larson, H. J., & de Figueiredo, A. (2023) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2237374 · Cited by 74 · see citing works

Impact of the SARS-CoV-2 Pandemic on Vaccine Preventable Disease Campaigns

Ho, L. L., Gurung, S., Mirza, I. R., Nicolas, H. D., Steulet, C., Burman, A. L., Danovaro-Holliday, M. C., Sodha, S. V., & Kretsinger, K. (2021) · International Journal of Infectious Diseases · doi:10.1016/j.ijid.2022.04.005 · Cited by 71 · see citing works

Impact of pandemics and disruptions to vaccination on infectious diseases epidemiology past and present

Hamson, E., Forbes, C. A., Wittkopf, P. G., Pandey, A., Mendes, D., Kowalik, J. C., Czudek, C., & Mugwagwa, T. (2023) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2219577 · Cited by 71 · see citing works

The Role of Faith-Based Organizations in Improving Vaccination Confidence & Addressing Vaccination Disparities to Help Improve Vaccine Uptake: A Systematic Review

Syed, U. N., Kapera, O., Chandrasekhar, A., Baylor, B. T., Hassan, A. O., Magalhães, M., Meidany, F., Schenker, I. I., Messiah, S. E., & Bhatti, A. A. (2023) · Vaccines · doi:10.3390/vaccines11020449 · Cited by 64 · see citing works

Trends of global and regional aetiologies, risk factors and mortality of lower respiratory infections from 1990 to 2019: An analysis for the Global Burden of Disease Study 2019

Kang, L., Jing, W., Liu, J., & Liu, M. (2022) · Respirology · doi:10.1111/resp.14389 · Cited by 62 · see citing works

Update on Vaccine-Derived Poliovirus Outbreaks — Worldwide, January 2023–June 2024

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The effect of the COVID-19 pandemic on routine childhood immunization coverage and timeliness in India: retrospective analysis of the National Family Health Survey of 2019–2021 data

Summan, A., Nandi, A., Shet, A., & Laxminarayan, R. (2022) · The Lancet Regional Health - Southeast Asia · doi:10.1016/j.lansea.2022.100099 · Cited by 58 · see citing works

Causes and costs of global COVID-19 vaccine inequity

Ferranna, M. (2023) · Seminars in Immunopathology · doi:10.1007/s00281-023-00998-0 · Cited by 56 · see citing works

Integrating Digital Health Solutions with Immunization Strategies: Improving Immunization Coverage and Monitoring in the Post-COVID-19 Era

Pavia, G., Branda, F., Ciccozzi, A., Romano, C., Locci, C., Azzena, I., Pascale, N., Marascio, N., Quirino, A., Matera, G., et al. (2024) · Vaccines · doi:10.3390/vaccines12080847 · Cited by 57 · see citing works

Impact of the COVID-19 pandemic on routine immunization coverage in children under 2 years old in Ontario, Canada: A retrospective cohort study

Ji, C., Piché‐Renaud, P., Apajee, J., Stephenson, E., Forte, M., Friedman, J., Science, M. E., Zlotkin, S. H., Morris, S. K., & Tu, K. (2022) · Vaccine · doi:10.1016/j.vaccine.2022.02.008 · Cited by 53 · see citing works

Estimating global and regional between-country inequality in routine childhood vaccine coverage in 195 countries and territories from 2019 to 2021: a longitudinal study

Lai, X., Zhang, H., Pouwels, K. B., Patenaude, B., Jit, M., & Fang, H. (2023) · eClinicalMedicine · doi:10.1016/j.eclinm.2023.102042 · Cited by 49 · see citing works

Coronavirus Disease 2019 (COVID-19) Pandemic across Africa: Current Status of Vaccinations and Implications for the Future

Ogunleye, O. O., Godman, B., Fadare, J. O., Mudenda, S., Adeoti, A. O., Yinka-Ogunleye, A. F., Ogundele, S. O., Oyawole, M. R., Schönfeldt, M., Rashed, W. M., et al. (2022) · Vaccines · doi:10.3390/vaccines10091553 · Cited by 48 · see citing works

Progress Toward the Elimination of Mother-to-Child Transmission of Hepatitis B Virus — Worldwide, 2016–2021

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Disruptions to routine childhood vaccinations in low- and middle-income countries during the COVID-19 pandemic: A systematic review

Pinto, A. C., Ranasinghe, L., Dodd, P. J., Budhathoki, S. S., Seddon, J. A., & Whittaker, E. (2022) · Frontiers in Pediatrics · doi:10.3389/fped.2022.979769 · Cited by 44 · see citing works

The Association of Health Literacy with Intention to Vaccinate and Vaccination Status: A Systematic Review

Siena, L. M., Isonne, C., Sciurti, A., Blasiis, M. R. D., Migliara, G., Marzuillo, C., Vito, C. D., Villari, P., & Baccolini, V. (2022) · Vaccines · doi:10.3390/vaccines10111832 · Cited by 44 · see citing works

Vacinação contra poliomielite no Brasil de 2011 a 2021: sucessos, reveses e desafios futuros

Donalísio, M. R., Boing, A. C., Sato, A. P. S., Martínez, E. Z., Xavier, M. O., de Almeida, R. L. F., Moreira, R. D. S., Queiroz, R. C. D. S., & Matijasevich, A. (2023) · Ciência & Saúde Coletiva · doi:10.1590/1413-81232023282.17842022 · Cited by 42 · see citing works

The big catch-up in immunisation coverage after the COVID-19 pandemic: progress and challenges to achieving equitable recovery

O’Brien, K. L., & Lemango, E. T. (2023) · The Lancet · doi:10.1016/s0140-6736(23)01468-x · Cited by 42 · see citing works

Impact of COVID-19 on vaccine confidence and uptake: A systematic literature review

Vojtek, I., van Wouw, M., & Thomson, A. (2024) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2024.2384180 · Cited by 40 · see citing works

Reasons given for non-vaccination and under-vaccination of children and adolescents in sub-Saharan Africa: A systematic review

Périères, L., Seror, V., Boyer, S., Sokhna, C., & Peretti‐Watel, P. (2022) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2022.2076524 · Cited by 41 · see citing works

Defining the Zero Dose Child: A Comparative Analysis of Two Approaches and Their Impact on Assessing the Zero Dose Burden and Vulnerability Profiles across 82 Low- and Middle-Income Countries

Wonodi, C. B., & Farrenkopf, B. A. (2023) · Vaccines · doi:10.3390/vaccines11101543 · Cited by 37 · see citing works

Economic-Related Inequalities in Zero-Dose Children: A Study of Non-Receipt of Diphtheria–Tetanus–Pertussis Immunization Using Household Health Survey Data from 89 Low- and Middle-Income Countries

Bergen, N., Cata-Preta, B. O., Schlotheuber, A., Santos, T. M., Danovaro-Holliday, M. C., Mengistu, T., Sodha, S. V., Hogan, D. R., Barros, A. J. D., & Hosseinpoor, A. R. (2022) · Vaccines · doi:10.3390/vaccines10040633 · Cited by 37 · see citing works

Mapping the distribution of zero-dose children to assess the performance of vaccine delivery strategies and their relationships with measles incidence in Nigeria

Utazi, C. E., Aheto, J. M. K., Wigley, A. S., Tejedor‐Garavito, N., Bonnie, A., Nnanatu, C. C., Wagai, J. N., Williams, C., Setayesh, H., Tatem, A. J., et al. (2022) · Vaccine · doi:10.1016/j.vaccine.2022.11.026 · Cited by 36 · see citing works

How well does vaccine literacy predict intention to vaccinate and vaccination status? A systematic review and meta-analysis

Isonne, C., Iera, J., Sciurti, A., Renzi, E., Blasiis, M. R. D., Marzuillo, C., Villari, P., & Baccolini, V. (2024) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2300848 · Cited by 36 · see citing works

Status of Routine Immunization Coverage in the World Health Organization African Region Three Years into the COVID-19 Pandemic

Mboussou, F., Kada, S., Danovaro-Holliday, M. C., Farham, B. L., Gacic-Dobo, M., Shearer, J., Bwaka, A. M., Amani, A., Ngom, R., Masembe, Y. V., et al. (2024) · Vaccines · doi:10.3390/vaccines12020168 · Cited by 41 · see citing works

Declining trends in vaccine confidence across sub-Saharan Africa: A large-scale cross-sectional modeling study

de Figueiredo, A., Temfack, E., Raji, T., & Larson, H. J. (2023) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2213117 · Cited by 35 · see citing works

Keeping essential reproductive, maternal and child health services available during COVID-19 in Kenya, Mozambique, Uganda and Zimbabwe: analysis of early-pandemic policy guidelines

Plotkin, M., Williams, K. M., Mbinda, A., Oficiano, V. N., Nyauchi, B., Walugembe, P., Keyes, E., Rawlins, B. J., McCarraher, D. R., & Chabikuli, O. N. (2022) · BMC Public Health · doi:10.1186/s12889-022-12851-4 · Cited by 35 · see citing works

Nationwide Routine Childhood Vaccination Coverage During the COVID‐19 Pandemic in Jordan: Current Situation, Reasons, and Predictors of Vaccination

Abu-rish, E. Y., Bustanji, Y. K., & Abusal, K. (2022) · International Journal of Clinical Practice · doi:10.1155/2022/7918604 · Cited by 35 · see citing works

Unintended Consequences of COVID-19 Non-Pharmaceutical Interventions (NPIs) for Population Health and Health Inequalities

ÓhAiseadha, C. O., Quinn, G. A., Connolly, R., Wilson, A., Connolly, M., Soon, W., & Hynds, P. D. (2023) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph20075223 · Cited by 33 · see citing works

Interactions of Nutrition and Infection: The Role of Micronutrient Deficiencies in the Immune Response to Pathogens and Implications for Child Health

Palmer, A., Bedsaul-Fryer, J. R., & Stephensen, C. B. (2024) · Annual Review of Nutrition · doi:10.1146/annurev-nutr-062122-014910 · Cited by 39 · see citing works

Reasons for reductions in routine childhood immunisation uptake during the COVID-19 pandemic in low- and middle-income countries: A systematic review

Pinto, A. C., Shariq, S., Ranasinghe, L., Budhathoki, S. S., Skirrow, H., Whittaker, E., & Seddon, J. A. (2023) · PLOS Global Public Health · doi:10.1371/journal.pgph.0001415 · Cited by 33 · see citing works

What Are the Effects of Vitamin A Oral Supplementation in the Prevention and Management of Viral Infections? A Systematic Review of Randomized Clinical Trials

Sinopoli, A., Caminada, S., Isonne, C., Santoro, M., & Baccolini, V. (2022) · Nutrients · doi:10.3390/nu14194081 · Cited by 27 · see citing works

The immune status of migrant populations in Europe and implications for vaccine-preventable disease control: a systematic review and meta-analysis

Cherri, Z., Lau, K. M., Nellums, L. B., Himmels, J., Deal, A., McGuire, E., Mounier‐Jack, S., Nørredam, M. L., Crawshaw, A. F., Carter, J., et al. (2024) · Journal of Travel Medicine · doi:10.1093/jtm/taae033 · Cited by 28 · see citing works

Estimating the health effects of COVID-19-related immunisation disruptions in 112 countries during 2020–30: a modelling study

Hartner, A.-M., Li, X., Londono, S. E., Roth, J., Abbas, K., Auzenbergs, M., de Villiers, M. J., Ferrari, M. J., Fraser, K., Fu, H. J., et al. (2024) · The Lancet Global Health · doi:10.1016/s2214-109x(23)00603-4 · Cited by 31 · see citing works

Timeliness of routine childhood vaccination in 103 low-and middle-income countries, 1978–2021: A scoping review to map measurement and methodological gaps

Wariri, O., Okomo, U. A., Kwarshak, Y. K., Utazi, C. E., Murray, K. A., Grundy, C., & Kampmann, B. (2022) · PLOS Global Public Health · doi:10.1371/journal.pgph.0000325 · Cited by 31 · see citing works

Global vaccine coverage and childhood survival estimates: 1990–2019

Zhang, H., Patenaude, B., Zhang, H., Jit, M., & Fang, H. (2024) · Bulletin of the World Health Organization · doi:10.2471/blt.23.290129 · Cited by 27 · see citing works

Pertussis resurgence: epidemiological trends, pathogenic mechanisms, and preventive strategies

Ye, S., Ma, S., Zhou, Q., & Xu, J. (2025) · Frontiers in Immunology · doi:10.3389/fimmu.2025.1618883 · Cited by 27 · see citing works

Parental Willingness and Associated Factors of Pediatric Vaccination in the Era of COVID-19 Pandemic: A Systematic Review and Meta-Analysis

Wang, Z. J., Chen, S., & Fang, Y. (2022) · Vaccines · doi:10.3390/vaccines10091453 · Cited by 27 · see citing works

Leading from the frontlines: community-oriented approaches for strengthening vaccine delivery and acceptance

Dhaliwal, B. K., Seth, R., Thankachen, B., Qaiyum, Y., Closser, S., Best, T., & Shet, A. (2023) · BMC Proceedings · doi:10.1186/s12919-023-00259-w · Cited by 27 · see citing works

Evaluating Knowledge, Attitudes, and Behaviors toward HPV Infection and Vaccination among University Students in Italy

Giuseppe, G. D., Angelillo, S., Bianco, A., Gallé, F., Licata, F., Liguori, G., Napolitano, F., Nobile, C. G. A., Pavía, M., Pelullo, C. P., et al. (2023) · Vaccines · doi:10.3390/vaccines11101517 · Cited by 27 · see citing works

The analysis of a novel COVID-19 model with the fractional-order incorporating the impact of the vaccination campaign in Nigeria via the Laplace-Adomian Decomposition Method

Yunus, A. O., & Olayiwola, M. O. (2024) · Journal of the Nigerian Society of Physical Sciences · doi:10.46481/jnsps.2024.1830 · Cited by 26 · see citing works

Measles Vaccine Coverage and Disease Outbreaks: A Systematic Review of the Early Impact of COVID-19 in Low and Lower-Middle Income Countries

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Changes in vaccine administration trends across the life-course during the COVID-19 pandemic in the United States: a claims database study

Eiden, A. L., DiFranzo, A., Bhatti, A. A., Wang, H. E., Benčina, G., Yao, L., Saxena, K., Chen, Y.-T., & Kujawski, S. A. (2023) · Expert Review of Vaccines · doi:10.1080/14760584.2023.2217257 · Cited by 26 · see citing works

Global socioeconomic inequalities in vaccination coverage, supply, and confidence

Wang, Q., Leung, K. S. M., Jit, M., Wu, T.-S. J., & Lin, L. K. (2025) · npj Vaccines · doi:10.1038/s41541-025-01143-8 · Cited by 25 · see citing works

Safety, Tolerability, and Immunogenicity of Measles and Rubella Vaccine Delivered with a High-Density Microarray Patch: Results from a Randomized, Partially Double-Blinded, Placebo-Controlled Phase I Clinical Trial

Baker, B., Bermingham, I. M., Leelasena, I., Hickling, J., Young, P. R., Muller, D. A., & Forster, A. H. (2023) · Vaccines · doi:10.3390/vaccines11111725 · Cited by 25 · see citing works

Worldwide routine immunisation coverage regressed during the first year of the COVID-19 pandemic

Evans, B., & Jombart, T. (2022) · Vaccine · doi:10.1016/j.vaccine.2022.01.044 · Cited by 24 · see citing works

Mobile Phone Text Message Reminders to Improve Vaccination Uptake: A Systematic Review and Meta-Analysis

Louw, G., Hohlfeld, A., Kalan, R., & Engel, M. E. (2024) · Vaccines · doi:10.3390/vaccines12101151 · Cited by 23 · see citing works

Measles virus transmission patterns and public health responses during Operation Allies Welcome: a descriptive epidemiological study

Masters, N. B., Beck, A. S., Mathis, A. D., Leung, J. W. T., Raines, K., Paul, P., Stanley, S. E., Weg, A. L., Pieracci, E. G., Gearhart, S. L., et al. (2023) · The Lancet Public Health · doi:10.1016/s2468-2667(23)00130-5 · Cited by 21 · see citing works

What Lessons can Be Learned From the Management of the COVID-19 Pandemic?

Quinn, G. A., Connolly, R., ÓhAiseadha, C. O., Hynds, P. D., Bagus, P., Brown, R. B., Cáceres, C. F., Craig, C. E. H., Connolly, M., Domingo, J. L., et al. (2025) · International Journal of Public Health · doi:10.3389/ijph.2025.1607727 · Cited by 24 · see citing works

Expanded Programme on Immunization (EPI): A Legacy of 50 Years and the Road Ahead

Mirza, I., Lemango, E. T., & Lindstrand, A. (2025) · Vaccines · doi:10.3390/vaccines13060649 · Cited by 21 · see citing works

Modifiable risk factors for diphtheria: A systematic review and meta-analysis

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Progress and Challenges in Measles and Rubella Elimination in the WHO European Region

Muscat, M., Mamou, M. B., Kat, C. R.-D., Jankovic, D., Hagan, J. E., Singh, S., & Datta, S. S. (2024) · Vaccines · doi:10.3390/vaccines12060696 · Cited by 20 · see citing works

Seasonal influenza vaccination in the Americas: Progress and challenges during the COVID-19 pandemic

Nogareda, F., Gharpure, R. V., Contreras, M., Velandia-González, M., Pacis-Tirso, C., Chévez, A. E., Azziz‐Baumgartner, E., & Salas, D. (2023) · Vaccine · doi:10.1016/j.vaccine.2023.06.024 · Cited by 19 · see citing works

Balancing Routine and Pandemic: The Synergy of India’s Universal Immunization Program and COVID-19 Vaccination Program

Kumar, P., Chakraborty, A. B., Dhandore, S., Dhalaria, P., Singh, A. K., Agarwal, D., Singh, K., Priyadarshini, P., Jain, P., Bahl, V., et al. (2023) · Vaccines · doi:10.3390/vaccines11121776 · Cited by 19 · see citing works

Immunisation coverage and factors associated with incomplete immunisation in children under two during the COVID-19 pandemic in Sierra Leone

Wassenaar, M., Fombah, A. E., Chen, H., Owusu-Kyei, K., Williams, J., Sunders, J.-H. C., Llach, M., Quintó, L., Sesay, T., Samai, M. H., et al. (2024) · BMC Public Health · doi:10.1186/s12889-023-17534-2 · Cited by 19 · see citing works

The impact of the COVID-19 pandemic on UK parents’ attitudes towards routine childhood vaccines: A mixed-methods study

Skirrow, H., Lewis, C., Haque, H., Choundary-Salter, L., Foley, K., Whittaker, E., Costelloe, C., Bedford, H. E., & Saxena, S. K. (2024) · PLoS ONE · doi:10.1371/journal.pone.0306484 · Cited by 19 · see citing works

Global pandemic preparedness: learning from the COVID-19 vaccine development and distribution

Agampodi, S. B., Mogeni, O. D., Chandler, R. E., Pansuriya, M., Kim, J. H., & Excler, J. (2024) · Expert Review of Vaccines · doi:10.1080/14760584.2024.2395546 · Cited by 20 · see citing works

Vaccination against poliomyelitis in Brazil from 2011 to 2021: successes, setbacks, and challenges ahead

Donalísio, M. R., Boing, A. C., Sato, A. P. S., Martínez, E. Z., Xavier, M. O., de Almeida, R. L. F., Moreira, R. D. S., Queiroz, R. C. D. S., & Matijasevich, A. (2023) · Ciência & Saúde Coletiva · doi:10.1590/1413-81232023282.17842022en · Cited by 18 · see citing works

Patterns in the Prevalence of Unvaccinated Children Across 36 States and Union Territories in India, 1993-2021

Rajpal, S., Kumar, A., Johri, M., Kim, R., & Subramanian, S. V. (2023) · JAMA Network Open · doi:10.1001/jamanetworkopen.2022.54919 · Cited by 18 · see citing works

The impact of the COVID-19 pandemic on the provision & utilisation of primary health care services in Goma, Democratic Republic of the Congo, Kambia district, Sierra Leone & Masaka district, Uganda

Kasonia, K., Tindanbil, D., Kitonsa, J., Baisley, K. J., Zalwango, F., Enria, L., Mansaray, A. H. D., James, M., Nije, Y., Tata, D., et al. (2023) · PLoS ONE · doi:10.1371/journal.pone.0286295 · Cited by 18 · see citing works

Measuring National Immunization System Performance: A Systematic Assessment of Available Resources

Patel, C., Rendell, N., Sargent, G. M., Ali, A., Morgan, C., Fields, R., & Sheel, M. (2023) · Global Health Science and Practice · doi:10.9745/ghsp-d-22-00555 · Cited by 18 · see citing works

Catch-up vaccination campaign in children between 6 and 8 years old during COVID-19 pandemic: The experience in a COVID hub in Milan, Italy

Mancarella, M., Natarelli, F., Bertolini, C., Zagari, A., Bettinelli, M. E., & Castaldi, S. (2022) · Vaccine · doi:10.1016/j.vaccine.2022.05.005 · Cited by 17 · see citing works

Attitudes and perceptions of mothers towards childhood vaccination in Greece: lessons to improve the childhood COVID-19 vaccination acceptance

Fakonti, G., Hadjikou, A., Tzira, E., Kyprianidou, M., & Giannakou, K. (2022) · Frontiers in Pediatrics · doi:10.3389/fped.2022.951039 · Cited by 17 · see citing works

The impact of the COVID-19 pandemic on vaccine coverage in Kilifi, Kenya: A retrospective cohort study

Lucinde, R. K., Karia, B., Ouma, N., Amadi, D., Nyundo, C., Mataza, C., Nyaguara, A., Scott, J. A. G., Gallagher, K. E., & Kagucia, E. W. (2022) · Vaccine · doi:10.1016/j.vaccine.2022.10.074 · Cited by 16 · see citing works

Pandemic’s influence on parents’ attitudes and behaviors toward meningococcal vaccination

Tan, L., Sáfadi, M. A. P., Horn, M. R., Balboa, C. R., Moya, E., Schanbaum, J., Pimenta, P., Lambert, E., Soumahoro, L., Sohn, W.-Y., et al. (2023) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2179840 · Cited by 16 · see citing works

Malawian caregivers’ experiences with HPV vaccination for preadolescent girls: A qualitative study

Moucheraud, C., Whitehead, H. S., Songo, J., Szilagyi, P. G., Hoffman, R. M., & Kaunda-Khangamwa, B. N. (2023) · Vaccine X · doi:10.1016/j.jvacx.2023.100315 · Cited by 16 · see citing works

Neonatal, Infant, and Child Mortality in India: Progress and Future Directions

Wahl, B., Nama, N., Pandey, R. R., Garg, T., Mishra, A. M., Srivastava, S., Ali, S., Verma, S. K., Erchick, D. J., Sauer, M. A., et al. (2023) · The Indian Journal of Pediatrics · doi:10.1007/s12098-023-04834-z · Cited by 16 · see citing works

Effects of coronavirus pandemic on expanded program on immunization in weija gbawe municipality (Accra-Ghana)

Kissi, J., Owusu‐Marfo, J., Osei, E., Dzamvivie, K., Anku, V. A., & Lamptey, J. N. L. (2022) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2022.2129830 · Cited by 16 · see citing works

Association between childhood immunisation coverage and proximity to health facilities in rural settings: a cross-sectional analysis of Service Provision Assessment 2013–2014 facility data and Demographic and Health Survey 2015–2016 individual data in Malawi

Johns, N. E., Hosseinpoor, A. R., Chisema, M., Danovaro-Holliday, M. C., Kirkby, K., Schlotheuber, A., Shibeshi, M. E., Sodha, S. V., & Zimba, B. (2022) · BMJ Open · doi:10.1136/bmjopen-2022-061346 · Cited by 15 · see citing works

Impact of the COVID-19 Pandemic on HPV Vaccinations in Switzerland and Greece: Road to Recovery

Gountas, I., Favre-Bulle, A., Saxena, K., Wilcock, J., Collings, H., Salomonsson, S., Skroumpelos, A., & Sabale, U. (2023) · Vaccines · doi:10.3390/vaccines11020258 · Cited by 15 · see citing works

Challenges Addressing Inequalities in Measles Vaccine Coverage in Zambia through a Measles–Rubella Supplementary Immunization Activity during the COVID-19 Pandemic

Yang, Y., Kostandova, N., Mwansa, F. D., Nakazwe, C., Namukoko, H., Sakala, C., Bobo, P. M., Penelope, K.-M., Nachinga, B., Ngula, D., et al. (2023) · Vaccines · doi:10.3390/vaccines11030608 · Cited by 15 · see citing works

Trends of measles in Tanzania: A 5-year review of case-based surveillance data, 2018-2022

Michael, F. S., Mirambo, M. M., Misinzo, G., Minzi, O., Beyanga, M., Mujuni, D., Kalabamu, F. S., Nyanda, E. N., Mwanyika‐Sando, M., Ndiyo, D., et al. (2023) · International Journal of Infectious Diseases · doi:10.1016/j.ijid.2023.12.007 · Cited by 15 · see citing works

Impact of the COVID-19 lockdown on routine childhood vaccination coverage rates in Catalonia (Spain): a public health register–based study

Martínez, M., Zabaleta‐del‐Olmo, E., Durán, E. L. G., Reñé, A., & Cabezas, C. (2023) · Public Health · doi:10.1016/j.puhe.2023.02.017 · Cited by 15 · see citing works

Population-based cross-sectional study of factors influencing full vaccination status of children aged 12- 23 months in a rural district of the Upper East Region, Ghana

Akanpaabadai, E. A., Adiak, A. A., Nukpezah, R. N., Adokiya, M. N., Adjei, S. E., & Boah, M. (2024) · BMC Pediatrics · doi:10.1186/s12887-024-04662-w · Cited by 14 · see citing works

The re-emergence of measles is posing an imminent global threat owing to decline in its vaccination rates amid COVID-19 pandemic: a special focus on recent outbreak in India – a call for massive vaccination drive to be enhanced at global level

Suvvari, T. K., Kandi, V., Mohapatra, R. K., Chopra, H., Islam, M. A., & Dhama, K. (2023) · International Journal of Surgery · doi:10.1097/js9.0000000000000228 · Cited by 14 · see citing works

Exploring the impact of the COVID-19 pandemic on perceptions of national scheduled childhood vaccines among Māori and Pacific caregivers, whānau, and healthcare professionals in Aotearoa New Zealand

Charania, N. A., Tonumaipe’a, D., Barbarich-Unasa, T. W., Iusitini, L., Davis, G., Pacheco, G. A., & Wilson, D. (2024) · Human Vaccines & Immunotherapeutics · doi:10.1080/21645515.2023.2301626 · Cited by 14 · see citing works

A Missed Opportunity? Exploring Changes in Influenza Vaccination Coverage During the COVID‐19 Pandemic: Data From 12 Countries Worldwide

Riccio, M. D., Guida, A., Boudewijns, B., Heemskerk, S., van Summeren, J., Schneeberger, C., Stelma, F. F., van der Velden, K., Timen, A., & Caini, S. (2025) · Influenza and Other Respiratory Viruses · doi:10.1111/irv.70057 · Cited by 13 · see citing works

COVID-19 Impact on Disparity in Childhood Immunization in Low- and Middle-Income Countries Through the Lens of Historical Pandemics

Itiakorit, H., Sathyamoorthi, A., O’Brien, B. E., & Nguyen, D. D. T. (2022) · Current Tropical Medicine Reports · doi:10.1007/s40475-022-00273-6 · Cited by 13 · see citing works

Has the COVID-19 pandemic changed the utilization and provision of essential health care services from 2019 to 2020 in the primary health care network in Lebanon? Results from a nationwide representative cross-sectional survey

Yaacoub, S. G., Zmeter, C., Abbas, L. A., Leresche, E., Kdouh, O., Hammoud, R., Leaning, J., Hamadeh, R. S., & Truppa, C. T. (2023) · PLoS ONE · doi:10.1371/journal.pone.0288387 · Cited by 12 · see citing works

The changes in health service utilisation in Malawi during the COVID-19 pandemic

She, B., Mangal, T. D., Adjabeng, A. Y., Colbourn, T., Collins, J. H., Janoušková, E., Lin, I. L., Mnjowe, E., Mohan, S., Molaro, M., et al. (2024) · PLoS ONE · doi:10.1371/journal.pone.0290823 · Cited by 12 · see citing works

COVID-19 vaccine policy development in a sample of 44 countries – Key findings from a December 2021 survey of National Immunization Technical Advisory Groups (NITAGs)

Kahn, A.-L., Steffen, C. A., Henaff, L., MacDonald, N. E., Morgan, C., Faden, R., Olayinka, F., & Desai, S. (2022) · Vaccine · doi:10.1016/j.vaccine.2022.11.029 · Cited by 12 · see citing works

Early onset of puberty during COVID-19 pandemic lockdown: experience from two Pediatric Endocrinology Italian Centers

Goffredo, M., Pilotta, A., Parissenti, I., Forino, C., Tomasi, C., Goffredo, P., Buzi, F., & Badolato, R. (2023) · Journal of Pediatric Endocrinology and Metabolism · doi:10.1515/jpem-2022-0492 · Cited by 12 · see citing works

Cervical cancer prevention and care in HIV clinics across sub-Saharan Africa: results of a facility-based surveyPreprint

Asangbeh, S. L., Davidović, M., Taghavi, K., Dhokotera, T., Manasyan, A., Sharma, A., Jaquet, A., Musick, B. S., Twizere, C., Chimbetete, C., et al. (2023) · doi:10.1002/jia2.26303 · Cited by 12 · see citing works

Vaccine Hesitancy Among Parents and Its Determinants During the Era of COVID-19 in Taif City, Saudi Arabia

Alzahrani, A. A., & Alghamdi, A. R. (2023) · Cureus · doi:10.7759/cureus.40404 · Cited by 11 · see citing works

Factors Contributing to the Delayed Vaccination Among Children in Riyadh City, Saudi Arabia: A Cross-Sectional Study

Alghofaili, M. A., Aljuaid, S. O., Alqahtani, N., Alghufaili, M., & Abd‐Ellatif, E. E. (2023) · Cureus · doi:10.7759/cureus.43188 · Cited by 11 · see citing works

The effectiveness of rural community health workers in improving health outcomes during the COVID-19 pandemic: a systematic review

Kaseje, N. C., Ranganathan, M., Magadi, M. A., Oria, K., & Haines, A. (2024) · Global Health Action · doi:10.1080/16549716.2023.2292385 · Cited by 11 · see citing works

Timeliness of 24 childhood immunisations and evolution of vaccination delay: Analysis of data from 54 low- and middle-income countries

Derqui, N., Blake, I. M., Gray, E. J., Cooper, L., Grassly, N. C., Pons-Salort, M., & Gaythorpe, K. A. M. (2024) · PLOS Global Public Health · doi:10.1371/journal.pgph.0003749 · Cited by 11 · see citing works

The impact of information and communication technology on immunisation and immunisation programmes in low-income and middle-income countries: a systematic review and meta-analysis

Zarekar, M., Al-Shehabi, H., Dörner, R., Weishaar, H. B., Lennemann, T., Bcheraoui, C. E., & Bernasconi, A. R. (2024) · EBioMedicine · doi:10.1016/j.ebiom.2024.105520 · Cited by 11 · see citing works

Impact of the SARS-CoV-2 Pandemic on Routine Immunization Services: Evidence of Disruption and Recovery From 169 Countries and TerritoriesPreprint

Shet, A., Carr, K., Danovaro-Holliday, C. M., Sodha, S. V., Prosperi, C., Wunderlich, J., Wonodi, C. B., Reynolds, H. W., Mizra, I., Gacic-Dobo, M., et al. (2021) · SSRN Electronic Journal · doi:10.2139/ssrn.3850009 · Cited by 9 · see citing works

Analysis of global routine immunisation coverage shows disruption and stagnation during the first two-years of the COVID-19 pandemic with tentative recovery in 2022

Evans, B., Keiser, O., Kaiser, L., & Jombart, T. (2023) · Vaccine X · doi:10.1016/j.jvacx.2023.100383 · Cited by 22 · see citing works

Estimating Global Changes in Routine Childhood Vaccination Coverage During the COVID-19 Pandemic, 2020-2021

Ghaznavi, C., Eguchi, A., Lwin, K. S., Yoneoka, D., Tanoue, Y., Rauniyar, S. K., Horiuchi, S., Hashizume, M., & Nomura, S. (2022) · Vaccine · doi:10.1016/j.vaccine.2023.05.034 · Cited by 31 · see citing works

Time series analysis of routine immunisation coverage during the COVID-19 pandemic in 2021 shows continued global decline and increases in Zero Dose childrenPreprint

Evans, B., Keiser, O., Kaiser, L., & Jombart, T. (2023) · medRxiv · doi:10.1101/2023.02.06.23285411

The impact of the COVID-19 pandemic on Routine Immunisation: coverage disruptions, risk factors, and implications for recovery and resilience

Evans, B. (2025) · Archive ouverte UNIGE (University of Geneva) · doi:10.13097/archive-ouverte/unige:188866