Seroconversion is often, but not always, accompanied by a flu-like illness. This happens in at least half of the people infected with HIV, but may happen in as many as 80-90% of all infections.

You cannot tell from symptoms alone. If you have HIV, it’s very important that it’s diagnosed, for the best chance of getting treatment and care, and of staying well. Many people have a short, ...

The minimum dose requirements for seroconversion remain unknown. In this double-blind, randomized, noninferiority trial in Uganda and Kenya, we assigned adults with no history of yellow fever ...