TABLE 1.

Antibodies to HSV-2 detected by MAb-EIA, Kalon ELISA, and HerpeSelect ELISA, by population group, in Brazila

Population groupNo. of samples positive/no. tested (%)
Positive resultsEquivocal results
MAb-EIAKalon ELISAHerpeSelect ELISAMAb-EIAHerpeSelect ELISA
CO > 1.1CO > 3.5CO > 1.1CO > 3.5
1. AIDS/HSV-2 ulcer (n = 30)26/30 (87)30/30 (100)29/29 (100)26/29 (90)0/30 (0)0/29 (0)3/29 (10)
2. AIDS/no ulcer (n = 40)25/40 (62)26/40 (65)32/40 (80)22/40 (55)1/40 (2.5)2/40 (5)12/40 (30)
3. STI clinic (n = 137)70/137 (51)66/130 (51)62/109 (57)50/109 (46)3/137 (2.2)2/109 (2)13/109 (12)
4. HIV-negative MSM (n = 29)13/29 (45)13/29 (45)15/29 (51)10/29 (34)1/29 (3.4)0/29 (0)5/29 (17)
5. College students (n = 100)5/100 (5)6/97 (6.2)27/89 (30)4/89 (4)2/100 (2)10/89 (11)32/89 (36)
6. Children (n = 249)4/249 (1.6)8/250 (3.2)14/233 (6)2/233 (0.9)1/249 (0.4)4/233 (2)16/233 (7)
    Total (n = 585)143/585 (25)149/576 (26)179/529 (34)114/529 (21)8/585 (1.4)18/529 (3.4)81/529 (15.3)
  • a CO, cutoff; STI, sexually transmitted infection; MSM, men who have sex with men.