Fig. 1From: Comparative epidemiology of influenza A and B viral infection in a subtropical region: a 7-year surveillance in Okinawa, JapanEpidemiology of influenza virus infection in Okinawa, Japan. Gray and black bars indicate the percent of positive RATs for influenza A and B infection among RATs performed, respectively, between 2007 and 2014 from four representative hospitalsBack to article page