[Occurrence of Mansonella ozzardi (Nematoda, Onchocercidae) in riverine communities of the Purus river, Boca do Acre municipality, Amazonas State, Brazil]. 2009

Jansen Fernandes Medeiros, and Victor Py-Daniel, and Ulysses Carvalho Barbosa, and Guilherme Maerschner Ogawa
Coordenação de Pesquisas em Ciências da Saúde, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brasil. jmedeiro@inpa.gov.br

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%.

UI MeSH Term Description Entries
D007303 Insect Vectors Insects that transmit infective organisms from one host to another or from an inanimate reservoir to an animate host. Insect Vector,Vector, Insect,Vectors, Insect
D008297 Male Males
D008366 Mansonella A genus of parasitic nematodes whose organisms are distributed in Central and South America. Characteristics include a smooth cuticle and an enlarged anterior end. Acanthocheilonema perstans,Dipetalonema perstans,Filaria demarquayi,Filaria ozzardi,Mansonella ozzardi,Tetrapetalonema,Mansonella perstans,Mansonellas,Tetrapetalonemas
D008368 Mansonelliasis Infection with nematodes of the genus MANSONELLA. Symptoms include pruritus, headache, and articular swelling. Acanthocheilonema perstans Infection,Dipetalonema perstans Infection,Mansonella perstans Infections,Mansonellosis,Acanthocheilonema perstans Infections,Dipetalonema perstans Infections,Infection, Acanthocheilonema perstans,Infection, Dipetalonema perstans,Infection, Mansonella perstans,Infections, Acanthocheilonema perstans,Infections, Dipetalonema perstans,Infections, Mansonella perstans,Mansonella perstans Infection,Mansonelliases,Mansonelloses,perstans Infection, Acanthocheilonema,perstans Infection, Dipetalonema,perstans Infection, Mansonella,perstans Infections, Acanthocheilonema,perstans Infections, Dipetalonema,perstans Infections, Mansonella
D008842 Microfilariae The prelarval stage of Filarioidea found in the blood and tissues of mammals, birds and intermediate hosts (vector). Microfilaria
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009790 Occupations Crafts, trades, professions, or other means of earning a living. Vocations,Occupation,Vocation
D012111 Residence Characteristics Elements of residence that characterize a population. They are applicable in determining need for and utilization of health services. Community,Domicile,Living Arrangements,Neighborhood,Place of Birth,Residential Selection,Arrangement, Living,Birth Place,Communities,Domiciles,Living Arrangement,Neighborhoods,Residence Characteristic
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.

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