The acute phase is usually 2-4 weeks after the first HIV infection. Fever is common and the whole body is unwell. At this stage, there may be HIV RNA and P24 antigen in blood test, white blood cells in blood routine are slightly increased, platelets are decreased, and CD4/CD8 ratio is temporarily inverted. HIV antibodies need to appear several weeks after infection. This stage can be relieved after 1-3 weeks.
The second stage is asymptomatic, usually 6-8 years, during which HIV antibodies can be detected.
Finally, there is AIDS, which lasts more than 1 month. General lymphadenopathy, mental and neurological symptoms, fever and diarrhea, usually more than three times a day, lasting more than 1 month, losing weight more than 10% within six months, etc. There are also various opportunistic infections caused by low immunity, such as tuberculosis. ?