The National Geographic Magazine, Volume 208, Issues 4-6National Geographic Society., 2005 - Geography |
From inside the book
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Page 9
... virus , which might show how it honed its deadliness before the global pandemic erupted in 1918. Yi Guan , at the Uni- versity of Hong Kong , is tracking the evolution of the H5N1 bird - flu virus ( shown in the model on his desk ...
... virus , which might show how it honed its deadliness before the global pandemic erupted in 1918. Yi Guan , at the Uni- versity of Hong Kong , is tracking the evolution of the H5N1 bird - flu virus ( shown in the model on his desk ...
Page 13
... virus or some of its genes slip into the much smaller pool of type A viruses that infect humans . Normally a flu virus good at infecting birds can't attack humans because it isn't equipped to invade and grow in human cells . Until ...
... virus or some of its genes slip into the much smaller pool of type A viruses that infect humans . Normally a flu virus good at infecting birds can't attack humans because it isn't equipped to invade and grow in human cells . Until ...
Page 16
... virus . A pig could conceivably catch a human flu from a farmer and a bird virus from , say , ducks at the same farm . The two viruses could then " reassort , " cre- ating a hybrid that - in the worst case - would now be able to infect ...
... virus . A pig could conceivably catch a human flu from a farmer and a bird virus from , say , ducks at the same farm . The two viruses could then " reassort , " cre- ating a hybrid that - in the worst case - would now be able to infect ...
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