IASR Graphs Virus 2011/12 Send LINE share Tweet Influenza virusBy week and season2007/08-2011/12By prefecture2011/12By week(AH1 includes AH1pdm09)2010&2011/12Current & preceding 4 seasons2007/08-2011/12By prefecture and week2011/12 AH1pdm092011/12 A(H1)2011/12 A(H3)2011/12 B (Total)2011/12 B (Victoria lineage)2011/12 B (Yamagata lineage)SRSV(norovirus, sapovirus)&RotavirusBy weekSRSV 2007/08-2011/12Rotavirus 2007/08-2011/12By prefecture2011/12Current & preceding seasons2010/11&2011/12By season2010/11&2011/12DetailSRSV 2007/08-2011/12Rotavirus 2007/08-2011/12By prefecture & weekNorovirus 2011/12Foodborne gastroenteritis outbreakBy week2012&2011