52-Joshua Lederberg, Ph.D, Nobel laureate 1969 “The single biggest threat to man's continued dominance on the planet is the virus!”-Joshua Lederberg, Ph.D, Nobel laureate 1969(won prize with Beadle and Tatum)Actually, he won the prize for discovering that bacteria can exchange genes… but what a great quote!
53Mutations of existing virus EMERGING VIRUSES: HOW? HOW?HOW? HOW?BIRD FLU...where didwe get it?Mutations of existing virus
54Dissemination from a small, isolated population Increasing viral traffic ie. new roads can allow virus to spread between previously isolated areasDissemination from a small, isolated population