IASR Graphs Virus 2018/19 Send LINE share Tweet Influenza virusBy week and season2014/15-2018/19By prefecture2018/19By week(AH1 includes AH1pdm09)2017/18&2018/19Current & preceding 4 seasons2014/15-2018/19By prefecture and week2018/19 AH1pdm092018/19 A(H1)2018/19 A(H3)2018/19 B (Total)2018/19 B (Victoria lineage)2018/19 B (Yamagata lineage)SRSV(norovirus, sapovirus)&RotavirusBy weekSRSV 2014/15-2018/19Rotavirus 2014/15-2018/19By prefecture2018/19Current & preceding seasons2017/18&2018/19By season2017/18&2018/19DetailSRSV 2014/15-2018/19Rotavirus 2014/15-2018/19By prefecture & weekNorovirus 2018/19