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Fig. 4 | BMC Infectious Diseases

Fig. 4

From: Synchronicity of influenza activity within Phoenix, AZ during the 2015-2016 seasonal epidemic

Fig. 4

Influenza cases by age-group and week. a The weekly number of cases by age group. The gray lines indicate the 99.9% prediction interval for the null distribution. The red circles indicate weeks where the number of cases significantly (p < 0.001) diverged from the expected number. b Cumulative proportion of cases by age and week. The gray lines indicate the 99.9% prediction interval for the null distribution. The red circles highlight weeks where the cumulative proportion of cases significantly (p < 0.001) diverged from the expected value

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