Table 2

Neutralizing titers against gN recombinant viruses at study entry and time to appearance of new antibody specificities against linear epitopes within gH and gB

gN typeMean time (mo) (±SD) to serological evidence of reinfection (n)P value
Neutralizing titers of ≥400Neutralizing titers of <400
gN-118.3 ± 10.9 (23)13.6 ± 10.0 (16)0.185
gN-218.2 ± 10.5 (28)11.7 ± 10.3 (11)0.09
gN-318.8 ± 11.2 (26)11.5 ± 8.2 (13)0.043
gN-419.0 ± 11.3 (24)12.1 ± 8.4 (15)0.049