how many flu episodes/year how many are influenza?

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How many flu episodes/year How many are influenza?. Many viruses. Influenza A or B. N=93. N=100 No flu episodes. N=7 Flu episodes. Based on 274 influenza vaccines and 28 epi studies 1966-2007 (> 3 M observations). - PowerPoint PPT Presentation

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How many flu episodes/year How many are influenza?

N=100No flu episodes

Many viruses

N=7Flu episodes

Influenza A or B

N=93

Based on 274 influenza vaccines and 28 epi studies 1966-2007 (> 3 M observations)

Effectiveness of influenza vaccine in healthy adults

(real world conditions)

Vaccinated n=100

From Cochrane review of 42 clinical trials

Effectiveness of influenza vaccine in healthy adults

(real world conditions)

Vaccinated n=100 Not vaccinated n=100

From Cochrane review of 42 clinical trials

Effectiveness of influenza vaccine in healthy adults

(artefactual conditions)

Vaccinated n=100 Not vaccinated n=100

From Cochrane review of 42 clinical trials

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