In Virus Hunt, renowned virologist Dorothy H. Crawford takes us inside one of the great research quests of our time--the search for the origin of AIDS. From hospital intensive care wards to research laboratories to the African rain forests, Crawford follows the trail of the virus back to its roots deep in Africa. We track wild monkeys and apes through the jungle--gathering their DNA via hair and feces samples--to discover from which primates HIV first jumped to our species, ultimately concluding that the most virulent strain, HIV-1, came from chimpanzees in Cameroon. We then time travel back...