Influenza_A_virus_subtype_H1N2v

Influenza A virus subtype H1N2v

Influenza A virus subtype H1N2v

Variant of the flu virus, H1N2

Influenza A virus subtype H1N2v is a variant of the flu virus, H1N2.[1][2] Most reported cases have resulted in mild upper respiratory tract symptoms.[3]

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Signs and symptoms

Clinical features are typically of mild upper respiratory tract symptoms.[3]

Epidemiology

Between 2005 and November 2023, there have been around 50 reported cases of H1N2v in humans worldwide.[4] It has generally affected children.[1] Most have been reported in the United States.[5] Others have included Brazil and Vietnam.[6] In November 2023, the UK reported its first case in a human.[7]

References

  1. [1]
    Havers, Fiona P.; Campbell, Angela J. P. (2020). "285. Influenza viruses". In Kliegman, Robert M.; St Geme III, Joseph W. St Geme (eds.). Nelson Textbook of Pediatrics (21st ed.). Philadelphia: Elsevier. p. 1728. ISBN 978-0-323-56890-6.
  2. [2]
    "Variant Influenza Viruses in Humans | CDC". www.cdc.gov. CDC. 9 August 2022. Retrieved 28 November 2023.
  3. [3]
    Levitt, Alexandra; Messonnier, Nancy; Jernigan, Daniel; Uyeki, Timothy M.; Braden, Christopher R.; Rosenberg, Ronald; Khabbaz, Rima . (2019). "14. Emerging and reemerging infectious disease threats". In Bennett, John E.; Dolin, Raphael; Blaser, Martin J. (eds.). Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. Vol. 1. Elsevier. pp. 164–180. ISBN 978-0-323-55027-7.
  4. [4]
    "UKHSA detects human case of influenza A(H1N2)v". GOV.UK. Retrieved 27 November 2023.
  5. [5]
    "Influenza A(H1N2)v-United States of America". www.who.int. WHO. 11 August 2023. Retrieved 28 November 2023.
  6. [6]
    Kiseleva, Irina; Larionova, Natalie (2021). "3. Influenza virus ecology and evolution". Influenza: A Century of Research. Sharjah, UAE: Bentham Science Publishers. p. 79. ISBN 978-1-68108-845-7.
  7. [7]
    "UKHSA detects human case of influenza A(H1N2)v". GOV.UK. Retrieved 28 November 2023.


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