Figure 2From: HIV prevention is not enough: child survival in the context of prevention of mother to child HIV transmissionWhy treating only women with low CD4 counts reduces postnatal HIV transmission. Panel A - Postnatal HIV transmission rates in the population are an average of low rates among women with high CD4 counts and high rates among women with low CD4 counts. Panel B - When antiretroviral therapy is given to women with low CD4 counts, the postnatal HIV transmission rate in this group, and in the overall population, declines to low levels.Back to article page