Genetic analyses of GII.17 norovirus strains in diarrheal disease outbreaks from December 2014 to March 2015 in Japan reveal a novel polymerase sequence and amino acid substitutions in the capsid region Matsushima, Y and Ishikawa, M and Shimizu, T and Komane, A and Kasuo, S and Shinohara, M and Nagasawa, K and Kimura, H and Ryo, A and Okabe, N and Haga, K and Doan, Y H and Katayama, K and Shimizu, H, Eurosurveillance, 20, 21173 (2015), https://doi.org/10.2807/1560-7917.ES2015.20.26.21173