Table 1. Frequency and HIV status of infants captured through follow-up.

Status N (%)	At Birth	6 weeks*	12 weeks	Cumulative†
HIV negative	501 (90.8)	340 (89.2)	285 (85.1)	451 (81.7)
HIV positive	51 (9.2)	41 (10.8)	50 (14.9)	101 (18.3)
Total captured	552	381	335	552
Missing	0	172	218	0

^*HIV status at 6 weeks and at 12 weeks includes incident and prevalent cases of HIV. Infants who missed week 6 and returned at week 12 or infants present at week 6 but lost at week 12 were included in the summary.

^†Cumulative follow-up includes all infants who were ever HIV positive, regardless of loss to follow-up at one or more of the follow-up periods.