viral load

Viral load refers to the amount of virus in a person's bloodstream, specifically in the context of HIV infection. It indicates how rapidly the virus is replicating and destroying helper T cells, which are crucial components of the immune system.1

In HIV infection, the virus targets helper T cells (also known as CD4+ T cells). HIV is a retrovirus that uses reverse transcriptase to copy its RNA into DNA, a process prone to mutations that allow the virus to evolve rapidly and evade the immune system and antiviral drugs.1

Treatment for HIV involves antiretroviral medications, often in combination therapy known as HAART (Highly Active Antiretroviral Therapy). HAART aims to suppress viral replication, reduce viral load to undetectable levels, and allow the immune system to recover. However, the virus can persist in latent reservoirs, posing a challenge for a complete cure. Monitoring viral load and CD4 counts is essential for managing HIV infection and adjusting treatment regimens.21