2 to 4 Weeks After Exposure 3 to 4 Weeks After Exposure 4 Weeks After Exposure Later-Stage HIV and AIDS Human immunodeficiency virus (HIV) infection is a progressive disease, meaning that it typically ...

1981: AIDS is described in an issue of the Centers for Disease Control and Prevention's Morbidity and Mortality Weekly Report. 1984: AIDS identified as being caused by a human retrovirus, Human ...

A prompt diagnosis allows people with HIV to receive effective antiretroviral treatment sooner. The virus can cause flu-like symptoms in its early stages, such as fevers, tiredness, and sore throats.