Stages of HIV Infection
- Stages of Infection – (assuming no treatment) …
- Stage 1: Infection. …
- Stage 2: Asymptomatic. …
- Stage 3: Symptomatic. …
- Stage 4: AIDS/Progression of HIV to AIDS.
Consequently, how long do the stages of HIV last?
According to the Centers for Disease Control and Prevention (CDC) , primary HIV symptoms may show up 2 to 4 weeks after initial exposure. They can last for several weeks. However, some people may only have symptoms for a few days.
Then, what happens in Stage 3 of HIV?
Third Stage: AIDS Symptoms. AIDS is the advanced stage of HIV infection. This is usually when your CD4 T-cell number drops below 200 and your immune system is badly damaged. You might get an opportunistic infection, an illness that happens more often and is worse in people who have weakened immune systems.
What is the difference between hiv1 and hiv2?
Two HIV virus types exist: HIV-1 is pandemic and aggressive, whereas HIV-2 is confined mainly to West Africa and less pathogenic. Despite the fact that it has been almost 40 years since the discovery of AIDS, there is still no cure or vaccine against HIV.