Prevalence and periodicity of Bancroft's filaria in diurnal blood from the population of Batey Ocho (Central Barahona) , Dominican Republic
Vargas, M.; Abreu, E.; Vargas Matos, N.
Boletin de la Asociacion Medica de Puerto Rico 73(10): 497-502
1981
ISSN/ISBN: 0004-4849 PMID: 7039635 Document Number: 700044
Blood samples from residents of Batey Ocho (Central Barahona), Dominican Republic were examined with the Knott concentration technique, Knott (1939), for the presence of microfilariae. One ml of blood was obtained by venipuncture between 10:00 a. m. and 1:00 p.m. from 417 residents of this community (population 1,700). The objectives of the study were (a) to determine the species of diurnal microfilariae reported from this population and (b) to determine prevalence of infection of the population. Manzonella ozzardi was not found in this survey, instead. 8 percent of those examined were found infected with Wuchereria bancrofti. Microfilariae of this species were found among 19 (8.4 percent) of 225 males and among 10 (5.2 percent) of the females examined. These findings suggest very high levels of nocturnal microfilaremia and a higher prevalence of infection with W. bancrofti in this population.
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