By Donald G. McNeil Jr., New York Times
In the wake of last year’s pandemic of H1N1 swine flu — which turned into far less of a global threat than had been feared — the world has largely forgotten about the H5N1 bird flu.
ut that flu has not disappeared. Nor does it seem any less lethal. In contrast to the swine flu, which killed only 1 out of every 2,000 people who got it, the avian flu kills about 3 out of 5.
The world was reminded last week when a 59-year-old woman returning from a vacation in China became the first Hong Kong resident with the virus in seven years. The flu was originally discovered in Hong Kong in 1997 and recurred there in 2003.
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