Subtypes by participant characteristics.

Results are n (%) for categorical variables and median [interquartile range] for continuous variables. Percentages are of non-missing values. URF = unique recombinant form.[1] P-value from Χ2 test.[2] HIV seroconverters defined as those with ≤36 months between known last negative and first positive test dates.[3] Including food preparation, mamalishe and bar work.[4] Imputed as half the lower limit of detection (300 copies/ml, except for the 10 subsequent seroconverters, where the lower limit of detection was 75 copies/ml), for those with undetectable HIV VL. Median is as shown in Table 1 (4.5 log10 copies/ml).