Fig. 3
From: Synchronicity of influenza activity within Phoenix, AZ during the 2015-2016 seasonal epidemic
Influenza cases by site and week. a The weekly number of cases for each site. 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 site and week. The gray lines indicate the 99.9% prediction interval for the null distribution. The red circles highlight periods where the cumulative proportion of cases significantly (p < 0.001) diverged from the expected value