IASR Graphs Virus 2017/18 Send LINE share Tweet Influenza virusBy week and season2913/14-2017/18By prefecture2017/18By week(AH1 includes AH1pdm09)2016/17&2017/18Current & preceding 4 seasons2913/14-2017/18By prefecture and week2017/18 AH1pdm092017/18 A(H1)2017/18 A(H3)2017/18 B (Total)2017/18 B (Victoria lineage)2017/18 B (Yamagata lineage)SRSV(norovirus, sapovirus)&RotavirusBy weekSRSV 2913/14-2017/18Rotavirus 2913/14-2017/18By prefecture2017/18Current & preceding seasons2016/17&2017/18By season2016/17&2017/18DetailSRSV 2913/14-2017/18Rotavirus 2913/14-2017/18By prefecture & weekNorovirus 2017/18