Fig. 3From: Spatio-temporal pattern analysis for evaluation of the spread of human infections with avian influenza A(H7N9) virus in China, 2013–2014The mean centers and standard deviational ellipses of A(H7N9) human infections in three distinct phases in China during March 2013 and December 2014 (each colored ellipse represents a 1 standard deviation distribution of H7N9 outbreaks). Distribution of influenza A(H7N9) human cases by phases is also shownBack to article page