Ethnic composition, age and sex, together with location and standard of housing as determinants of HLTV‐I infection in an urban trinidadian community

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Abstract
The presence of antibody to human T‐cell leukaemia virus (HLTV‐I) has been assessed in 2,143 men and women who represent 83% of all adults aged 35 to 69 years resident in a defined urban community in Trinidad. Individuals of African descent had a higher sero‐positivity rate (7.0%) than those originating from India (1.4%), Europe (0%) or of mixed descent (2.7%). Women were infected more frequently than men, and the prevalence of infection increased with age in both sexes. Sero‐positivity rates were significantly increased in adults who lived in housing of poor quality (pp< 0.025). These data and others raise the possibility that one route of HLTV‐I transmission may be via insect vectors under particular domestic circumstances.