เรื่องวัคซีนไข้หวัด 2009 มีปัญหาทุกที่ ไม่ใช่แต่ที่เรา
ATLANTA, Georgia (CNN) -- As more people are getting sick from the H1N1 flu virus, the Centers for Disease Control and Prevention is reporting that the production of the H1N1 vaccine is slower than expected.The CDC had hoped that about 40 million doses of H1N1, or swine flu, vaccine would be available by the end of October
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