Stockpiled pre-pandemic H5N1 influenza virus vaccines with AS03 adjuvant provide cross-protection from H5N2 clade 2.3.4.4 virus challenge in ferrets

Sun, Xiangjie; Belser, Jessica A.; Pulit-Penaloza, Joanna A.; Creager, Hannah M.; Guo, Zhu; Jefferson, Stacie N.; Liu, Feng; York, Ian A.; Stevens, James; Maines, Taronna R.; Jernigan, Daniel B.; Katz, Jacqueline M.; Levine, Min Z.; Tumpey, Terrence M.

doi:10.1016/j.virol.2017.05.010

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Stockpiled pre-pandemic H5N1 influenza virus vaccines with AS03 adjuvant provide cross-protection from H5N2 clade 2.3.4.4 virus challenge in ferrets

8 2017
By Sun, Xiangjie ; Belser, Jessica A. ; Pulit-Penaloza, Joanna A. ; ...
http://dx.doi.org/10.1016/j.virol.2017.05.010
Source: Virology. 508:164-169

[PDF-588.62 KB]

English

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Details:

Alternative Title:

Virology
Personal Author:

Sun, Xiangjie ; Belser, Jessica A. ; Pulit-Penaloza, Joanna A. ; Creager, Hannah M. ; Guo, Zhu ; ... More +

Sun, Xiangjie ; Belser, Jessica A. ; Pulit-Penaloza, Joanna A. ; Creager, Hannah M. ; Guo, Zhu ; Jefferson, Stacie N. ; Liu, Feng ; York, Ian A. ; Stevens, James ; Maines, Taronna R. ; Jernigan, Daniel B. ; Katz, Jacqueline M. ; Levine, Min Z. ; Tumpey, Terrence M. Less -
Description:

Avian influenza viruses, notably H5 subtype viruses, pose a continuous threat to public health due to their pandemic potential. In recent years, influenza virus H5 subtype split vaccines with novel oil-in-water emulsion based adjuvants (e.g. AS03, MF59) have been shown to be safe, immunogenic, and able to induce broad immune responses in clinical trials, providing strong scientific support for vaccine stockpiling. However, whether such vaccines can provide protection from infection with emerging, antigenically distinct clades of H5 viruses has not been adequately addressed. Here, we selected two AS03-adjuvanted H5N1 vaccines from the US national pre-pandemic influenza vaccine stockpile and assessed whether the 2004-05 vaccines could provide protection against a 2014 highly pathogenic avian influenza (HPAI) H5N2 virus (A/northern pintail/Washington/40964/2014), a clade 2.3.4.4 virus responsible for mass culling of poultry in North America. Ferrets received two doses of adjuvanted vaccine containing 7.5µg of hemagglutinin (HA) from A/Vietnam/1203/2004 (clade 1) or A/Anhui/1/2005 (clade 2.3.4) virus either in a homologous or heterologous prime-boost vaccination regime. We found that both vaccination regimens elicited robust antibody responses against the 2004-05 vaccine viruses and could reduce virus-induced morbidity and viral replication in the lower respiratory tract upon heterologous challenge despite the low level of cross-reactive antibody titers to the challenge H5N2 virus. This study supports the value of existing stockpiled 2004-05 influenza H5N1 vaccines, combined with AS03-adjuvant for early use in the event of an emerging pandemic with H5N2-like clade 2.3.4.4 viruses.
Subjects:

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Adjuvants, Immunologic Animals Antibodies, Viral Article Cross Protection Ducks Ferret Ferrets H5N2 Influenza Virus Humans Influenza, Human Influenza A Virus, H5N1 Subtype Influenza A Virus, H5N2 Subtype Influenza In Birds Influenza Vaccines Male Vaccination Vaccine
Source:

Virology. 508:164-169
Pubmed ID:

28554058
Pubmed Central ID:

PMC5788307
Document Type:

Journal Article
Funding:

CC999999/Intramural CDC HHSUnited States/
Collection(s):

CDC Public Access
Main Document Checksum:

[+]

urn:sha256:4862e2f5417a9728a6c5778651663c7eb44f8bfdf12aab8bad09efeb97942152
Download URL:

https://stacks.cdc.gov/view/cdc/51238/cdc_51238_DS1.pdf
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