Table 1.
Epidemiologic characterization of Trinidad isolates used for phylogenetic analysis
| Trinidad STD clinic | Homosexual prevalent | Heterosexual prevalent | Heterosexual seroconverters |
|---|---|---|---|
| Time period | 1987 sample infected before 1983 | 1987–1993 | 1993–1997 |
| N | 1 | 8 | 22 |
| Sex | Male | Male | 6 females |
| 16 males | |||
| Age (mean) | 30 yr | 40 yr | All - 33 yr |
| Females - 25 yr | |||
| Males - 36 yr | |||
| Population HIV | 1983 - 40% | 1987/88 - 3% | >13% in those with STD |
| Prevalence | 1987 - 63% | 1990/91 - 12% | |
| Risk factors | Sex with N.A. | Crack cocaine | New STD/GUD |
| Male | GUD | Crack cocaine |
N.A., North American; GUD, genital ulcerative disease.