TABLE 2.

Prevalence of neutralizing antibody to the Ad5 or Ad35 serotype in 203 subjects

Serotype and populationNo. testedNegative for Nab (% [SD])Positive for Nab (% [SD])Prevalence (% [SD]) at serum titer of:
1:81:321:1281:512
Ad5
    The Gambia5015.33 (3.05)84.67 (3.06)11.33 (1.16)36.0 (4.0)33.33 (3.06)4 (2.82)
    South Africa5320.13 (2.89)79.87 (2.89)23.27 (1.09)33.33 (2.88)18.24 (1.09)5.03 (1.09)
    United States10063.0 (2.0)37.0 (2.0)6.67 (1.16)9.67 (3.51)15.67 (4.73)5.0 (1.0)
Ad35
    The Gambia5097.33 (1.16)2.66 (1.16)2.66 (1.16)0 (0.0)0 (0.0)0 (0.0)
    South Africa5383.02 (0.0)16.98 (0.0)10.70 (2.88)6.28 (2.88)0 (0.0)0 (0.0)
    United States10093.67 (3.22)6.33 (3.22)5.33 (3.22)0.67 (0.58)0.33 (0.58)0 (0.0)