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Mem. Inst. Oswaldo Cruz ; 87(2): 205-8, abr.-jun. 1992. ilus
Artigo em Inglês | LILACS, SES-SP | ID: lil-116306

RESUMO

Blood sampling on filter paper is a current practice seroepidemiological studies by indirect fluorescent antibody test (IFAT). There is, however, scant comparative information about the use of bloodspot eluates for detection of malarial IgG antibodies simultaneously by IFAT and enzyme immunoassay (ELISA). Here we report data obtained by both serological methods done on 219 bloodspot eluate samples collected in a rural community in Brazilian Amazon Basin (Alto Paraíso, Ariquemes municipality) where malaria is endemic. Plasmodium falciparum and P. vivax thick smear antigens were used in the IFAT; a detergent-soluble P. falciparum antigen was prepared for ELISA. Substantial agreement of results (Kappa coefficient k = 0.686) was observed when P. falciparum antigen was used in both tests, and IFAT titers were found to be strongly correlated ELISA antibody units (Spearman correlation coeficient rs = 0.818, p < 0.0001).


Assuntos
Animais , Plasmodium falciparum/imunologia , Plasmodium vivax/imunologia , Ensaio de Imunoadsorção Enzimática/instrumentação , Testes Sorológicos , Malária/diagnóstico , Imunofluorescência/instrumentação , Brasil
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