Europeans safer from Aids (link)
 

Interesting article.

"The new theory suggests that the CCR5 mutation was a by-product of the European plagues. The proportion of people carrying the natural resistance rises dramatically in Europe and particularly Scandinavia, where the figure is 14-15 per cent. It is relatively low in countries bordering the Mediterranean and not found at all in sub-Saharan Africa, Asia or among native Americans."

http://www.timesonline.co.uk/article...520635,00.html