Table 4.

Prevalence of vaccine-related HPV6, HPV11, HPV16, and HPV18 by country

Brazil (N = 382)
Mexico (N = 362)
United States (N = 416)
Total (N = 1,160)
n (%)n (%)n (%)n (%)
HPV16 only14 (3.7)7 (1.9)8 (1.9)29 (2.5)
HPV16 + other types27 (7.1)20 (5.5)28 (6.7)75 (4.5)
HPV18 only*9 (2.4)0 (0)1 (0.2)10 (0.9)
HPV18 + other types*12 (3.1)6 (1.7)2 (0.5)20 (1.7)
HPV16 and/or HPV18 only*27 (7.1)16 (4.4)13 (3.1)56 (4.8)
HPV18 and/or HPV18 + other types39 (10.2)24 (6.6)29 (7.0)92 (7.9)
HPV6 and/or HPV11 only15 (3.9)9 (2.5)9 (2.2)33 (2.8)
HPV6 and/or HPV11 + other types*44 (11.5)20 (5.5)26 (6.3)90 (7.8)
HPV6 and/or HPV11 and/or HPV16 and/or HPV18*77 (20.2)41 (11.3)52 (12.5)170 (14.7)
HPV6 and HPV11, and HPV16 and HPV180 (0)0 (0)0 (0)0 (0)
  • NOTE: Due to infection with multiple HPV types, the percentages of infection exceed 100%.

  • * HPV type distribution significantly different by region (P < 0.010).