Prevalence of HTLV-I antibody among two distinct ethnic groups inhabiting the Amazon region of Brazil
Open Access
- 1 August 1992
- journal article
- research article
- Published by FapUNIFESP (SciELO) in Revista do Instituto de Medicina Tropical de São Paulo
- Vol. 34 (4) , 323-328
- https://doi.org/10.1590/s0036-46651992000400009
Abstract
HTLV-I seroprevalences of 3.63% (02/55), 12.19% (10/82) and 13.88% (10/72) were demonstrated among Tiryio, Mekranoiti and Xicrin Amazonian Indians, respectively, by the Western blotting enzyme assay (WBEI). By indirect immuno electron microscopy (IIEM), 2 Tiriyo, 9 Mekranoiti and 6 Xicrin Amerindians were reactive. Of 44 serum samples from Japanese immigrants, none reacted by any of the techniques before mentioned. One, 8 and 6 serum samples from Tiryio, Mekranoiti and Xicrin Indians, respectively, were both WBEI and IIEM positive. Our results strongly suggest that HTLV-I and/or an HTLV-I antigenic variant circulate (s) among populations living in the Amazon region of Brazil.Keywords
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