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Avian influenza: Bird flu spread triggers state of emergency in CaliforniaThe declaration of a state of emergency in California over avian influenza comes within days of the first severe human case of bird flu in the U.S.
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Person in Louisiana hospitalized with H5N1 in nation's 1st severe caseA person in Louisiana has been hospitalized with the United States' first serious case of H5N1 bird flu, following 60 milder cases this year.
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Raw milk from US dairies must now be tested for bird fluA new federal order requires that U.S. dairies provide milk samples to the USDA so the agency can test the milk for bird flu prior to pasteurization.
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A single gene mutation could enable H5N1 to spread between people, study findsA new laboratory study pinpoints a way H5N1 could evolve to spread from person to person.
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How to avoid bird fluThe vast majority of human cases of H5N1 bird flu in the U.S. have resulted from direct contact with animals, so a few simple precautions can keep most people's risk very low.
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Teen sickened with Canada's first human case of bird flu is in critical condition — and the source remains a mysteryA teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how the youth was exposed.
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Canada reports 1st local case of H5 bird fluA teen in Canada may be the first person to catch an H5 bird flu virus within the country. Health officials are now working to confirm the diagnosis.
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H5N1 bird flu is evolving to better infect mammals, CDC study suggestsRising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to spread and cause severe symptoms in other mammals.
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Bird flu could become deadlier if it mixes with seasonal flu viruses, experts warnAs of now, 17 states have reported H5N1 bird flu cases in humans, but there is still no evidence for transmission between people. Could that change?
