The arrival of colonial cities in sub-Saharan Africa at the dawn of the 20th Century may have sparked the spread of HIV.Read more on the BBC News website.
US experts analysed one of the earliest samples of the virus ever found, in the Democratic Republic of Congo in 1959. The study, published in the journal Nature, suggests the virus may have crossed from apes to humans between 1884 and 1924.
They believe newly-built cities may have allowed the virus to thrive.
Thursday, October 2, 2008
BBC: Colonial clue to the rise of HIV
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment