Characteristics of infants who were HIV-infected by 8 weeks of age (HIVNET 012 trial, Uganda, enrollment 1997–1999).

aAmong 43 infants in the HIVNET 012 trial who were infected at birth or by 6–8 weeks, 36 had viral load data obtained at 14 weeks of age (26 included in the analysis and 10 not included in the analysis). There was insufficient viral load data available from 6–8 weeks for meaningful statistical analysis.bInfants with in utero HIV infection had a positive HIV DNA test at birth.cFor 19 infants (10 included in the analysis and 9 not included), either a sample was not available for HIV genotyping or a result was not obtained.dTwo-sided exact p-value, Wilcoxon rank sum test.eTwo-sided p-value, Fisher's exact test.