How quickly does a person get infected with hiv?

2 to 4 weeks: Acute hiv-1 infection is often associated with an acute “retroviral syndrome” that usually includes fever with a variety of nonspecific clinical and laboratory abnormalities. In contrast, subjects with early hiv-1 infection can also be entirely asymptomatic. The time from exposure to symptomatic disease is typically 2 to 4 weeks, and the duration of illness is generally days to weeks.