TABLE 1.

Samples taken from the mother, father and infant during follow-up

Sample taken	Before deliverya	At delivery	2-3 days	1 mo	2 mo	6 mo	12 mo	24 mo
Mother
Pap smear	X						X	X
Cervical mucosa	X				X		X	X
Oral mucosa	X				X	X	X	X
Father
Semen	X
Urethra	X
Oral mucosa	X				X	X	X	X
Infant
Genital mucosa		X	X	X	X	X	X	X
Oral mucosa		X	X	X	X	X	X	X

^aAt the time of enrollment.