Search for: [References = "Inaida, S., Yasui, Y., Tada, Y., Taniguchi, K., Okabe, N. \(2011\). Geographic trends and spread of the pandemic \(H1N1\) 2009 in the metropolitan areas of Japan studied from the National Sentinel Data. Japanese Journal of Infectious Diseases, 64\(6\), 473\-481."]