Cited by 57Influenza Virus Research StudiesVirology and Viral DiseasesViral Infections and Outbreaks Research

The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.

Licensed H5N1 vaccines generate cross-neutralizing antibodies against highly pathogenic H5N1 clade 2.3.4.4b influenza virus

Abstract

The emergence of highly pathogenic avian influenza (HPAI) H5N1 clade 2.3.4.4b viruses and their transmission to dairy cattle and animals, including humans, poses a major global public health threat. Therefore, the development of effective vaccines and therapeutics against H5N1 clade 2.3.4.4b virus is considered a public health priority. In the United States, three H5N1 vaccines derived from earlier strains of HPAI H5N1 (A/Vietnam, clade 1, and A/Indonesia, clade 2.1) virus, with (MF59 or AS03) or without adjuvants, are licensed and stockpiled for pre-pandemic preparedness, but whether they can elicit neutralizing antibodies against circulating H5N1 clade 2.3.4.4b viruses is unknown. In this study, we evaluated the binding, hemagglutination inhibition and neutralizing antibody response generated after vaccination of adults with the three licensed vaccines. Individuals vaccinated with the two adjuvanted licensed H5N1 vaccines generated cross-reactive binding and cross-neutralizing antibodies against the HPAI clade 2.3.4.4b A/Astrakhan/3212/2020 virus. Seroconversion rates of 60-95% against H5 clade 2.3.4.4b were observed after two doses of AS03-adjuvanted-A/Indonesia or three doses of MF59-adjuvanted-A/Vietnam vaccine. These findings suggest that the stockpiled US-licensed adjuvanted H5N1 vaccines generate cross-neutralizing antibodies against circulating HPAI H5N1 clade 2.3.4.4b in humans and may be useful as bridging vaccines until updated H5N1 vaccines become available.

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Crossref · 10.1038/s41591-024-03189-y

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21 of 21 references verified0 citation errors · 0 not checkable

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  • A stockpiled H5N1 vaccine utilizing the clade 1 A/Vietnam HA can elicit cross-neutralizing antibodies to clade 2.3.4.4b H5N1 in vaccinated humans, though the report did not evaluate contemporary 2024 H5N1 isolates.

    “It has recently been reported that a stockpiled H5N1 vaccine utilizing the clade 1A/Vietnam HA can elicit cross-neutralizing antibodies to clade 2.3.4.4b H5N1 in vaccinated humans29, though the report did not evaluate contemporary 2024 H5N1 isolates.”

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Authors
Khurana, S., King, L. R., Manischewitz, J., Posadas, O., Mishra, A. K., Liu, D., Beigel, J. H., Rappuoli, R., Tsang, J. S., & Golding, H.
Affiliations
  • Center for Biologics Evaluation and Research (US)
  • National Institutes of Health (US)
Corresponding author
Khurana, Surender
Venue
Nature Medicine
Published
2024-07-16
Volume
30
Issue
10
Pages
2771-2776
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W4400691394
Cited by
57
References
21
Citations by year
2026: 18 · 2025: 32 · 2024: 7
FWCI
17.82
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
U.S. Department of Health and Human Services (MCMi OCET 2023-0229)
Topics
  • Health Sciences › Medicine › Epidemiology › Influenza Virus Research Studies
  • Health Sciences › Medicine › Epidemiology › Virology and Viral Diseases
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Outbreaks Research
Keywords
H5N1 influenza vaccine, clade 2.3.4.4b, cross-neutralizing antibodies, cross-reactive antibodies, adjuvanted vaccine, MF59, AS03, seroconversion, hemagglutination inhibition, binding antibodies, avian influenza
MeSH terms
Adjuvants, Immunologic, Adult, Animals, Antibodies, Viral, Cross Reactions, Female, Hemagglutination Inhibition Tests, Humans, Influenza, Human, Influenza Vaccines, Male, Middle Aged, Vaccination, Influenza A Virus, H5N1 Subtype, Young Adult, Antibodies, Neutralizing

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