The HIV virus weakens the immunity of a person because it destroys

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mast cells

platelets

erythrocytes

lymphocytes

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This question was previously asked in

UPSC CDS-2 – 2016

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The HIV virus weakens the immunity of a person because it destroys lymphocytes.

HIV primarily targets and infects CD4+ T lymphocytes (also known as T helper cells), which are critical components of the adaptive immune system. The virus replicates within these cells and eventually destroys them.

Progressive destruction of CD4+ T cells leads to a severe decline in immune function, making individuals susceptible to opportunistic infections and certain cancers that a healthy immune system would normally fight off. This advanced stage of HIV infection is known as Acquired Immunodeficiency Syndrome (AIDS).

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