Cited by 44Viral Infections and Outbreaks ResearchViral Infections and VectorsMathematical and Theoretical Epidemiology and Ecology Models

Transmission Potential and Design of Adequate Control Measures for Marburg Hemorrhagic Fever

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Ajelli, Marco, Merler, Stefano·2012·PLoS ONE

Abstract

Marburg hemorrhagic fever is rare yet among the most severe diseases affecting humans, with case fatality ratio even higher than 80%. By analyzing the largest documented Marburg hemorrhagic fever epidemic, which occurred in Angola in 2005 and caused 329 deaths, and data on viral load over time in non-human primates, we make an assessment of transmissibility and severity of the disease. We also give insight into the control of new Marburg hemorrhagic fever epidemics to inform appropriate health responses. We estimated the distribution of the generation time to have mean 9 days (95%CI: 8.2-10 days) and standard deviation 5.4 days (95%CI: 3.9-8.6 days), and the basic reproduction number to be R(0) = 1.59 (95%CI: 1.53-1.66). Model simulations suggest that a timely isolation of cases, starting no later than 2-3 days after symptoms onset, is sufficient to contain an outbreak. Our analysis reveals that Marburg hemorrhagic fever is characterized by a relatively small reproduction number and by a relatively long generation time. Such factors, along with the extremely high severity and fatality, support the rare occurrence of large epidemics in human populations. Our results also support the effectiveness of social distancing measures--case isolation in particular--to contain or at least to mitigate an emerging outbreak. This work represents an advance in the knowledge required to manage a potential Marburg hemorrhagic fever epidemic.

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Authors
Ajelli, M., & Merler, S.
Affiliations
Fondazione Bruno Kessler (IT)
Corresponding author
Ajelli, Marco
Venue
PLoS ONE
Published
2012-12-10
Volume
7
Issue
12
Pages
e50948
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2077422818
Cited by
44
References
46
Citations by year
2026: 3 · 2025: 8 · 2024: 3 · 2023: 15 · 2022: 3 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 2 · 2015: 2 · 2014: 1 · 2013: 1
FWCI
0.89
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
European Commission (231807)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Outbreaks Research
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Vectors
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mathematical and Theoretical Epidemiology and Ecology Models
Keywords
Marburg hemorrhagic fever, transmission potential, basic reproduction number, generation time, case isolation, social distancing, epidemic control, epidemic containment, non-human primates, viral load, case fatality rate
MeSH terms
Animals, Humans, Marburg Virus Disease, Models, Biological, Trauma Severity Indices, Basic Reproduction Number, Epidemics

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