Uzi maalum wa kupeana Likes: Comment chochote upate "Like"

Uzi maalum wa kupeana Likes: Comment chochote upate "Like"

Biologists at the University of Liverpool have discovered that the plagues of the middle ages made around 10% of Europeans resistant to HIV. These individuals carry a genetic mutation known as CCR5-Delta32, which makes them resistant to HIV. It is rarely found in Africans and Asians.
 
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