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Japan Institute for Health Security
The Infectious Disease Information Website

IASR Graphs Virus 2021/22

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

 

 

 

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