ArticleRevista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria2023
Dirofilaria immitis is endemic in rural areas of the Brazilian Amazonas state capital, Manaus.
Article in Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- 2000-2025: A Quarter of a Century of Studies on Pet Ownership in the Amazon-Epidemiological Implications for Public Health.Pathogens (Basel, Switzerland) · 2026Pooled it
- Global prevalence, diagnostics and epidemiological trends of canine filariosis and associated zoonotic infections (2021-2025): a review.Veterinary research communications · 2025Review
- Molecular detection of filarioid nematodes (Nematoda: Onchocercidae) in wild mammals from different Brazilian biomes.Parasitology · 2025Article
- The Distribution, Diversity, and Control of Dirofilariosis in Brazil: A Comprehensive Review.Animals : an open access journal from MDPI · 2024Review
- Filarial disease in the Brazilian Amazon and emerging opportunities for treatment and control.Current research in parasitology & vector-borne diseases · 2024Review
- Dirofilaria immitis in dogs from the coastal tourist region of the state of Alagoas, Brazil.Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria · 2024Article
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The canine filarial parasite Dirofilaria immitis has not been reported in Brazil´s Amazonas state capital, Manaus, for over a century. Here, we report one imported and 27 autochthonous D. immitis infections from a microfilarial survey of 766 domestic dog blood samples collected between 2017 and 2021 in Manaus. An Overall prevalence estimate of 15.44% (23/149) was calculated from our two rural collection sites; a prevalence of 1.22% (4/328) was estimated at our periurban collection site, and an overall prevalence of 0.35% (1/289) was calculated from our two urban clinic collections. Our data suggest that in the urban areas of Manaus, where the parasites are very likely vectored by the same species of mosquito that historically vectored Wuchereria bancrofti (Culex quinquefasciatus), prevalence levels are very low and possibly maintained by an influx from rural areas where sylvatic reservoirs and/or more favorable vector transmission dynamics maintain high prevalences.
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Registered trials
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