A． monkeys are also susceptible to HI
B． AIDS has killed 25 million people in the last 25 year
C． vaccine has been developed to prevent AID
D． AIDS can be cured by drug cocktail
A． bloo
B． sexual contac
C． breastfeedin
D． a toilet sea
A． some clades of the virus related to the human viru
B． aborigines residing in the virgin forest of Cameroo
C． Ivory and hardwood traders who were bitten by the chimp
D． chimp droppings floating in a river from Southern Cameroon to Cong
A． transmissio
B． catastroph
C． strai
D． viru