Asymptomatic HIV infection
In many cases, after the initial symptoms disappear, there will not be any further symptoms for many years. During this time, the virus carries on developing and damages the immune system. This process can take up to 10 years. The infected person will experience no symptoms, feel well and appear healthy.
Late-stage HIV infection
If left untreated, HIV weakens the ability to fight infection. The person becomes vulnerable to serious illnesses. This stage of infection is known as AIDS.
Signs and symptoms of late-stage HIV infection may include:
blurred vision
diarrhea, which is usually persistent or chronic
dry cough
fever of above 37C (100F) lasting for weeks
night sweats
permanent tiredness
shortness of breath
swollen glands lasting for weeks
weight loss
white spots on the tongue or mouth