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Toppage > Surveillance > Infectious Agents Surveillance Report (IASR) > IASR Vol.42 No.11 (No. 501) November 2021 Inf luenza 2020/21 season, Japan

IASR Vol.42 No.11 (No. 501) November 2021 Inf luenza 2020/21 season, Japan


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Inf luenza 2020/21 season, Japan

  • Trends in influenza occurrence in the 2020/21 season in Japan
  • Monitoring inf luenza activity by ILI surveillance, 2020-2021, Mie Prefectu
  • An inf luenza outbreak during the 2020/21 season in Yamagata Prefecture
  • Analysis of inf luenza viruses isolated in the 2020/21 season, Japan
  • Inf luenza vaccination coverage and seroprevalence of inf luenza, Japan-FY 2020, National Epidemiological Surveillance of Vaccine-preventable Diseases
  • Effectiveness of inf luenza vaccine among children younger than 3 years: summary results of the 2018/19 and 2019/20 inf luenza seasons
  • Update on avian and swine influenza virus infections in humans
  • Global inf luenza activity in 2021
  • An epidemic of RS virus infection, Tokyo Prefecture: description and genetic analysis week 1 to week 31, 2021
  • Two COVID-19 clusters where identifying close contacts was diff icult at the time of initial detection
  • Analysis of replacement of SARS-CoV-2 strains with a variant carrying the L452R mutation in Japan
  • Epidemiological and molecular characteristics of the SARS-CoV-2 Delta variant cases in the early epidemic stage in Japan
  • Information on HIV/AIDS cases under the Infectious Diseases Control Law (the National AIDS Surveillance Committee, August 24, 2021)
  • Pathogens detected in confirmed and suspected COVID-19 cases reported in the NESID Infectious Agent Surveillance System (January 2020 to November 2021)

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