2. Virology, HIV and viral load (2023)

HIV as a virus. HIV lifecycle. What happens after you become HIV positive? How is HIV monitored? Viral load tests, Drug resistance. Updated 2023.

• 2. 1 and 2.2 – Introduction and aims
• 2. 3 Definition of HIV
• 2. 4 Other causes of illness
• 2. 5 HIV: key facts
• 2. 6 Viral load in early and chronic infection
• 2. 7 Reinfection with HIV
• 2. 8 What is a viral load test?
• 2. 9 History of viral load and different cut-offs
• 2.10 Impact of other infections (and vaccines) on viral load
• 2.11 Compartments and sanctuary sites
• 2.12 Viral load on and off treatment
• 2.13 Viral life cycle, drug resistance and adherence
• 2.14 How CD4 and viral load are related

Last updated: 1 January 2023.