Implications of the apparent extinction of B/Yamagata-lineage human influenza viruses

Following the onset of the COVID-19 pandemic in 2020, the number of influenza viruses circulating globally fell to historically low numbers. Although influenza A and B/Victoria lineage viruses returned to normal patterns by 2022, B/Yamagata-lineage viruses have not been identified since 2020. The im...

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Bibliographic Details
Published in:npj vaccines 2024-11, Vol.9 (1), p.219-3, Article 219
Main Authors: Barr, Ian G., Subbarao, Kanta
Format: Article
Language:English
Subjects:
631/326/590/1883
631/326/596/1578
Antigens
Biomedical and Life Sciences
Biomedicine
Clinical trials
Comment
COVID-19 vaccines
Human populations
Infections
Infectious Diseases
Influenza
Laboratories
Medical Microbiology
Pandemics
Public Health
Regulatory approval
Vaccine
Virology
Viruses
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Summary:Following the onset of the COVID-19 pandemic in 2020, the number of influenza viruses circulating globally fell to historically low numbers. Although influenza A and B/Victoria lineage viruses returned to normal patterns by 2022, B/Yamagata-lineage viruses have not been identified since 2020. The implications of the apparent extinction of this lineage of viruses on vaccine composition, and the risk of their re-introduction into the human population are discussed.
ISSN:2059-0105
2059-0105
DOI:10.1038/s41541-024-01010-y