Friday flu shot

For week 48 in the United States (25 November – 1 December), influenza activity increased. Of 5,511 specimens submitted, 1,139 (20.7%) were positive for influenza. Of these, 854 (75%) were influenza A and 285 (25%) were influenza B. Of the influenza A virus positive specimens, 4 were H1N1 (2009) and 406 contained the H3 HA. The …

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