NBCNews.com |
CDC Concerned by H7N9 Bird Flu's Sudden Spread in China
NBCNews.com A sudden surge in cases of H7N9 bird flu in China is a "cause for concern," the Centers for Disease Control and Prevention said Friday. It's infected 460 people just since October, the CDC said in a report. "It's by far the largest epidemic wave since ... Surge in human cases of deadly bird flu is prompting alarm China reports 21 more H7N9 avian influenza cases, 3 deaths H7N9 Bird Flu Cases On The Rise In China, CDC Working On Vaccine |
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