After initial HIV infection, symptoms usually appear in 2 to 4 weeks. Following this, chronic HIV infection can last 3 to 20 years without symptoms before symptoms may reappear.
After an individual gets HIV from unprotected sex, it typically takes 2 to 4 weeks to experience acute symptoms resembling a flu-like illness. Following this acute phase, the infected person enters a stage of chronic HIV infection, which could last from 3 to 20 years without noticeable symptoms. As the infection progresses, symptoms may reappear, indicating the end of the chronic stage.
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