THE spread of HIV could be greatly reduced by drugs or vaccines that merely
lower the level of virus in the blood, a study in Uganda suggests. The people in
the study no longer seemed to be infectious when the virus was below a certain
level.
Thomas Quinn of the Johns Hopkins University in Baltimore, Maryland, and his
colleagues spent over two years following 415 Ugandan couples, each with one
HIV-infected partner. Despite education about HIV and condoms, 22 per cent of
previously uninfected individuals became HIV positive. The researchers found
that the level of HIV in the blood of…
