USA, CDC, 2015
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6401a4.htm?s_cid=mm6401a4_wOverall vaccine effectiveness (VE) (adjusted for study site, age, sex, race/ethnicity, self-rated health, and days from illness onset to enrollment) against laboratory-confirmed influenza associated with medically attended ARI was 23%
-but you have paid 100%
-and it is only "againts symptoms of laboratory-confirmed influenza associated with medically attended ARI"
-no effect neither valoration of hospitalizations, pneumonias, deaths
-un saludo
-juan gérvas
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