Figure 2. Median viral load for infants (n = 12) who were PCR positive at birth in the KiBS, Kisumu, Kenya, 2003–2008.

The trend of median viral load at delivery was 2.8 log copies per ml, decreased ∼3-fold at 2 wk, increased ∼80-fold from 2 wk to 6 wk, and remained between 5 and 6 log copies per ml through 6 mo.