Caption:


Text: All ten subjects were HIV negative at the beinning of 1989.

#1 was HIV positive in January 1990.

#2 was lost to follow up in January 1990.

#3 was found to be HIV positive in January 1991.

#4 was lost to follow up in January 1990.

#5 was lost to follow up in January 1992.

#6 was lost to follow up in January 1994.

#7 remained HIV negative through the end of 1994.

#8 was lost to follow up in January 1994.

#9 was found to be HIV positive in January 1990.

#10 was found to be HIV positive in January 1990.