HIV in the body

Read about the progression of the HIV virus in the body and how CD4 cell counts and the measurement of viral load indicate prognosis.

HIV and the immune system

We know that HIV attacks the immune system, but what is a virus and why this particular virus so unique?

How HIV progresses

Disease progression from infection to Aids follows a set pattern in most infected individuals, although the rate of disease progression varies from one person to the other.

How HIV infection begins

The HI virus is very clever and very cunning, once inside your body, it "hijacks" the cells that manage your immune system and slowly builds up a reservoir of inactive viral cells that lie in wait.

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Ask the Expert

HIV/Aids expert

Dr Sindisiwe van Zyl qualified at the University of Pretoria in 2005. She is a patients' rights activist and loves using social media to teach about HIV. She is in private practice in Johannesburg.

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