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Ocorrência da Mansonella ozzardi (Nematoda, Onchocercidae) em comunidades ribeirinhas do rio Purus, Município de Boca do Acre, Amazonas, Brasil

2009; Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz; Volume: 25; Issue: 6 Linguagem: Inglês

10.1590/s0102-311x2009000600024

ISSN

1678-4464

Autores

Jansen Fernandes Medeiros, Victor Py‐Daniel, Ulysses Carvalho Barbosa, Guilherme Maerschner Ogawa,

Tópico(s)

Insect and Arachnid Ecology and Behavior

Resumo

The study aimed to estimate the prevalence of Mansonella ozzardi and calculate the parasitic infection rate in simuliid blackflies. The research was conducted in communities on the Purus River, Boca do Acre municipality, Amazonas State, Brazil. Prevalence was measured using the thick smear method. Captured blackflies were dissected to verify the parasitic infection rate. M. ozzardi prevalence was 27.30% (77/282). The study showed higher prevalence in men (31.97%) than women (22.22%), farmers (48.99%), and individuals in the 38-47 (60.00%), 48-57 (66.66%), and 58-67-year age brackets (75.00%). Microfilaremia was higher in individuals 58 to 67 years of age (average= 58.41 mf/40 microl), men (41.44 mf/40 microl), and farmers (49.94 mf/40 microl). Only the simuliid Cerqueirellum amazonicum was found infected with a parasitic infection rate of 0.98%.

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