Scientists identified pre-cursor of HIV virus in gorillas in Uganda . Virus similar to two HIV strains known as ' O ' and ' P ' found in the gorillas . Previously scientists had only identified the virus in chimpanzee groups . Experts believe the monkey virus jumped into humans who hunted them .
Scientists identified pre-cursor of HIV virus in gorillas in Cameroon . Virus similar to two HIV strains known as ' O ' and ' P ' found in the gorillas . Previously scientists had only identified the virus in chimpanzee groups . Experts believe the monkey virus jumped into humans who hunted them .