Table 1

 HIV-1 seroprevalences among 13 847 MSM participants from seven countries in South America, 1999–2002

Region/countryPeriod%(n/No*)
HIV-1, human immunodeficiency virus type 1; MSM, men who have sex with men.
*In parentheses are the number of HIV positive (n)/total number participants tested (No).
    Total1999–200212.3(1700/13 847)
Andean Region 12.0(1498/12 517)
    Colombia200219.7(130/660)
    Ecuador1999–200216.6(105/632)
    Peru1999–200011.0(1204/10 939)
    Bolivia1999–200220.6(59/286)
Southern Cone 15.2(202/1330)
    Argentina2000–200214.5(119/819)
    Uruguay1999–200216.9(71/419)
    Paraguay200213.0(12/92)