Influenza virus

By week and season

2017/18-2021/22

By prefecture

2021/22

By week(AH1 includes AH1pdm09)

2020/21&2021/22

Current & preceding 4 seasons

2017/18-2021/22

By prefecture and week

2021/22 AH1pdm09
2021/22 A(H1)
2021/22 A(H3)
2021/22 B (Total)
2021/22 B (Victoria lineage)
2021/22 B (Yamagata lineage)

SRSV(norovirus, sapovirus)&Rotavirus

By week

SRSV 2017/18-2021/22
Rotavirus 2017/18-2021/22

By prefecture

2021/22

Current & preceding seasons

2020/21&2021/22

By season

2017/18-2021/22

Detail

SRSV 2017/18-2021/22
Rotavirus 2017/18-2021/22

By prefecture & week

Norovirus 2021/22