Why get #flu vaccine every year? Protective antibodies decrease over the yr, & the virus can change over timehttp://bit.ly/1E55cWl
@Cleverestcookie @WHO_Europe @WHO Haha! Now I *know* that's not true. Of you, at least... :)
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@C7RKY@WHO_Europe@WHO I have my moments, but not on matters of principleThanks. Twitter will use this to make your timeline better. UndoUndo
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