Name the cells HIV attacks first when it gains entry into a human body. How does this virus replicate further to cause immunodeficiency in the body?
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Once a person is infected with HIV, the virus begins to attack and destroy the CD4 cells of the immune system. CD4 cells (also known as T-helper cells) are a type of white blood cell that play a major, co-ordinating role in the immune system.
The reason HIV can cause such serious illness is that the cells the virus uses to replicate itself are the same cells that the body normally uses to fight infections.
Scientists' understanding of how HIV uses CD4 cells to replicate (make copies of itself) and spread throughout the body have helped them design antiretroviral drugs. Different medicines block HIV from replicating.
The reason HIV can cause such serious illness is that the cells the virus uses to replicate itself are the same cells that the body normally uses to fight infections.
Scientists' understanding of how HIV uses CD4 cells to replicate (make copies of itself) and spread throughout the body have helped them design antiretroviral drugs. Different medicines block HIV from replicating.
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