Seroprevalence of Human T Lymphotropic Virus Type I in Puerto Rico

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  • Centers for Disease Control, Ponce School of Medicine, Escuela de Medicina, Universidad Central del Caribe, University of Puerto Rico School of Medicine, Atlanta, Georgia

Serum specimens from Puerto Rican residents were tested for antibodies to human T lymphotropic virus type I (HTLV-I) using an enzyme immunoassay, Western immunoblot, and radioimmunoprecipitation assays. Of 1,279 specimens obtained during a dengue virus surveillance program in 1986 and 1987, 3 (0.2%) tested positive; an additional 11 were indeterminate. Of 602 specimens obtained from blood donors in Ponce in 1987, 1 (0.2%) was positive; an additional specimen was indeterminate. Of 21 persons hospitalized for problems related to intravenous drug use in 1986 and 1987, 1 (5%) tested positive for HTLV-I antibodies.

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