Fig. 3From: Detecting influenza and emerging avian influenza virus by influenza and pneumonia surveillance systems in a large city in China, 2005 to 2016Temporal distributions of weekly monitored outpatients, ILI and ILI% of two sentinel hospitals in Changsha City form week 39, 2005 to week 41, 2016. a, temporal distributions of weekly monitored outpatients; b, temporal distributions of weekly ILI; c, temporal distributions of weekly ILI%Back to article page