If left untreated, chlamydia can increase the risk of acquiring AIDS.
A smaller number of false negatives caused some people to acquire AIDS from transfusions of blood that they thought was safe.
Until now, most experts have held that because everyone is at risk of acquiring AIDS, messages promoting less risky behavior should be broadcast scattershot.
Tisay has contracted gonorrhea, which increases the risk of acquiring AIDS, but she refuses to be treated.
Each year, hundreds of thousands of newborns acquire AIDS this way.
Through testing, we can also help end discrimination against people who acquire AIDS.
There is no risk of a blood donor acquiring AIDS because a new needle is used for each individual.
Babies born today who make it to middle age without acquiring AIDS are likely to live longer than at any other point in this century.