Detailed text transcripts for TV channel - CNN - 20100425:03:04:00
Deadliest example. it was in a forest not too far from here in southern cameroon scientists believe hiv was born. they say it started with a chimpanzee infected with strains of viruses from eating small ir monkeys. an infected chimps blood came in contact with a human being, a hunter or someone cutting up the chimp for cooking. that simple transmission set off a global epidemic, a pandemic that has killed tens of millions of people. scientists believe hiv crossed into humans in the early 1900s. ...
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