Summary of "How HIV Causes Disease"

The video explains how HIV causes disease by targeting CD4 cells, which are essential in coordinating the immune response. HIV infection leads to a decline in CD4 cells, leaving the body susceptible to infections and diseases. When CD4 cell counts drop significantly, it indicates an advanced stage of HIV infection known as Acquired Immune Deficiency Syndrome (AIDS). The video also discusses the opportunistic infections and cancers that individuals with AIDS are at risk for, as well as the complications and risks associated with HIV infection. Blood plays a crucial role in the immune system defense against germs and microorganisms. CD4 cells are targeted by the HIV virus, leading to a decline in their numbers. Monitoring CD4 cell counts is a common method to track the progression of HIV infection. Opportunistic infections take advantage of the weakened immune system in individuals with low CD4 cell counts. Antiretroviral therapy (ART) can slow down HIV replication and partially restore CD4 cell levels, but permanent immune damage may occur. HIV infection leads to chronic inflammation in the body, increasing the risk of various diseases affecting multiple organs.

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