Cited by 37Parasitic Diseases Research and TreatmentParasites and Host InteractionsResearch on Leishmaniasis Studies

Seroepidemiological survey of human exposure to Dirofilaria spp. in Romania and Moldova

Ciuca, Lavinia, Simòn, Fernando, Rinaldi, Laura, Kramer, Laura, Genchi, Marco, Cringoli, Giuseppe, Acatrinei, Dumitru, Miron, Liviu +1 more·2018·Acta Tropica

Abstract

The present study aimed to evaluate the extent of Dirofilaria immitis and D. repens exposure in humans from eastern and southern areas of Romania and central Moldova by serological methods. The serological screening was performed on a total of 450 serum samples (187 from Romania and 263 from Moldova). The sera were collected using a convenience sampling with the help of physicians from the hospitals of the study areas. All samples were analysed by a non-commercial ELISA test for the detection of IgG antibodies against adult somatic antigens of D. immitis and D. repens. The results showed a total of 49 (10.9%; 95% CI = 8.3-14.1%) individuals from Romania and Moldova with a positive response to IgG antibodies against both adult somatic antigens of D. immitis and D. repens. Specifically, 48 (10.7%; 95% CI = 8.0-14.0%) patients were positive for IgG-antibodies against adult somatic antigens of D. immitis, one (0.2%; 95% CI = 0.4-1.2%) against D. repens antigens, and four (0.9%; 95% CI = 0.4-3.3%). were positive for antigens of both parasites. At country level, out of 187 samples from Romania, 13 (6.9%; 95% CI = 4.1-11.5%) were positive for anti-D. immitis IgG with high exposure in the southern part of the country (Bucharest). Of the 263 people from Moldova, 36 (13.7%; 95% CI = 10.0-18.4%) were positive for D. immitis antigens from which three (1.1%, 95% CI = 0.4-3.3%) were positive for the antibodies against antigens of both parasites. Only one sample was found positive for anti-D. repens IgG. Positive IgG-ELISA results were confirmed by Western blot analysis. In addition, for further confirmation, a complementary ELISA was performed for anti-WSP IgG antibodies against Wolbachia endosymbionts. Our findings showed a noticeable exposure of humans from Romania and Moldova to Dirofilaria parasites. Serology can be useful for indicating exposure to Dirofilaria spp. in a healthy population in order to obtain useful data on the epidemiological scenario of human dirofilariosis in Eastern Europe.

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Crossref · 10.1016/j.actatropica.2018.07.012

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Authors
Ciuca, L., Simòn, F., Rinaldi, L., Kramer, L., Genchi, M., Cringoli, G., Acatrinei, D., Miron, L., & Morchon, R.
Affiliations
  • University of Naples Federico II (IT)
  • University of Parma (IT)
  • "Ion Ionescu de la Brad" Iasi University of Life Sciences (RO)
Corresponding author
Rinaldi, Laura
Venue
Acta Tropica
Publisher
Elsevier BV
Published
2018-11
Volume
187
Pages
169-174
ISSN
0001-706X (ISSN-L)
OpenAlex
W2884254998
Cited by
37
References
70
Citations by year
2026: 1 · 2025: 3 · 2024: 4 · 2023: 5 · 2022: 8 · 2021: 5 · 2020: 8 · 2019: 2 · 2018: 1
FWCI
3.04
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Tropica (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Parasitic Diseases Research and Treatment
  • Life Sciences › Immunology and Microbiology › Parasitology › Parasites and Host Interactions
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Research on Leishmaniasis Studies
Keywords
Dirofilaria immitis, Dirofilaria repens, human filariasis, seroprevalence, IgG, Wolbachia endosymbiont, Western blot confirmation, Romania, Republic of Moldova, zoonotic exposure, ELISA serodiagnosis, Bucharest, Transylvania
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Animals, Antibodies, Helminth, Antigens, Helminth, Child, Dirofilaria, Dirofilaria immitis, Dirofilariasis, Dog Diseases, Dogs, Enzyme-Linked Immunosorbent Assay, Female, Humans, Male, Middle Aged, Moldova, Surveys and Questionnaires, Romania, Prevalence, Seroepidemiologic Studies, Wolbachia, Young Adult, Dirofilaria repens

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