New dangers from bird flu

U.S. government asks scientists to keep some secrets about their bird flu research

By Stephen Ornes, 13:31 PM January 4, 2012





The viruses that cause “bird flu” spread easily among chickens, ducks and turkeys, often causing serious illness and sometimes death. These viruses don’t usually spread to humans, but it happens. And when it does, the results can be deadly. According to the Centers for Disease Control and Prevention, based in Atlanta, about 6 of every 10 people infected with the bird flu virus called H5N1 have died. If the virus ever did pass easily between people, it would cause widespread harm around the...

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