A member asked:

What is the connection between smallpox vaccine and hiv?

A doctor has provided 1 answer

Possible: It's impossible to say whether the withdrawal of the smallpox vaccine contributed to the initial explosion of HIV cases worldwide, but it is a plausible explanation. The theory centers on the expression of a receptor called ccr5 on the surface of white blood cells, which is exploited by the smallpox virus and hiv.

Answered 9/28/2016

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