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Q.

HIV is thought to have originated from:

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a

None of the above

b

Mosquitos

c

Chimpanzees

d

Birds

answer is C.

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Detailed Solution

HIV infection in humans came from a particular kind of chimpanzee in Central Africa . The chimpanzee version of the virus (called simian immunodeficiency virus) was probably passed to humans, when humans hunted these chimpanzees for meat and came in contact with their infected blood.

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