H5N2 vaccine viruses on Russian and US live attenuated influenza virus backbones demonstrate similar infectivity, immunogenicity and protection in ferrets

Rita Czakó, Leatrice Vogel, Troy Sutton, Yumiko Matsuoka, Florian Krammer, Zhongying Chen, Hong Jin, Kanta Subbarao

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The continued detection of zoonotic influenza infections, most notably due to the avian influenza A H5N1 and H7N9 subtypes, underscores the need for pandemic preparedness. Decades of experience with live attenuated influenza vaccines (LAIVs) for the control of seasonal influenza support the safety and effectiveness of this vaccine platform. All LAIV candidates are derived from one of two licensed master donor viruses (MDVs), cold-adapted (ca) A/Ann Arbor/6/60 or ca A/Leningrad/134/17/57. A number of LAIV candidates targeting avian H5 influenza viruses derived with each MDV have been evaluated in humans, but have differed in their infectivity and immunogenicity. To understand these differences, we generated four H5N2 candidate pandemic LAIVs (pLAIVs) derived from either MDV and compared their biological characteristics in vitro and in vivo. We demonstrate that all candidate pLAIVs, regardless of gene constellation and derivation, were comparable with respect to infectivity, immunogenicity, and protection from challenge in the ferret model of influenza. These observations suggest that differences in clinical performance of H5 pLAIVs may be due to factors other than inherent biological properties of the two MDVs.

Original languageEnglish (US)
Pages (from-to)1871-1879
Number of pages9
JournalVaccine
Volume36
Issue number14
DOIs
StatePublished - Mar 27 2018

Fingerprint

H5N2 Subtype Influenza A Virus
Attenuated Vaccines
Ferrets
Influenza Vaccines
ferrets
Pandemics
Orthomyxoviridae
influenza
pathogenicity
Vaccines
immune response
Human Influenza
vaccines
Viruses
viruses
pandemic
Influenza in Birds
Zoonoses
Safety
avian influenza

All Science Journal Classification (ASJC) codes

  • Molecular Medicine
  • Immunology and Microbiology(all)
  • veterinary(all)
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

Cite this

Czakó, Rita ; Vogel, Leatrice ; Sutton, Troy ; Matsuoka, Yumiko ; Krammer, Florian ; Chen, Zhongying ; Jin, Hong ; Subbarao, Kanta. / H5N2 vaccine viruses on Russian and US live attenuated influenza virus backbones demonstrate similar infectivity, immunogenicity and protection in ferrets. In: Vaccine. 2018 ; Vol. 36, No. 14. pp. 1871-1879.
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H5N2 vaccine viruses on Russian and US live attenuated influenza virus backbones demonstrate similar infectivity, immunogenicity and protection in ferrets. / Czakó, Rita; Vogel, Leatrice; Sutton, Troy; Matsuoka, Yumiko; Krammer, Florian; Chen, Zhongying; Jin, Hong; Subbarao, Kanta.

In: Vaccine, Vol. 36, No. 14, 27.03.2018, p. 1871-1879.

Research output: Contribution to journalArticle

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