Influenza virus

By week and season

2016/17-2020/21

By prefecture

2020/21

By week(AH1 includes AH1pdm09)

2019/20&2020/21

Current & preceding 4 seasons

2016/17-2020/21

By prefecture and week

2020/21 AH1pdm09
2020/21 A(H1)
2020/21 A(H3)
2020/21 B (Total)
2020/21 B (Victoria lineage)
2020/21 B (Yamagata lineage)

SRSV(norovirus, sapovirus)&Rotavirus

By week

SRSV 2016/17-2020/21
Rotavirus 2016/17-2020/21

By prefecture

2020/21

Current & preceding seasons

2019/20&2020/21

By season

2019/20&2020/21

Detail

SRSV 2016/17-2020/21
Rotavirus 2016/17-2020/21

By prefecture & week

Norovirus 2020/21