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| Risk Group | Annual Coital Frequency |
|---|---|
| Female sex workers | 220 acts per year |
| Men who have sex with men | 100 acts per year |
| Transgenders | 100 acts per year |
| Prisoners | 20 acts per year |
| Those with multiple partners | 100 acts per year |
| Sero-discordant couples | 70 acts per year |
