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Influenza A Virus Vaccination: Immunity, Protection, and Recent Advances Toward A Universal Vaccine
Journal article   Open access   Peer reviewed

Influenza A Virus Vaccination: Immunity, Protection, and Recent Advances Toward A Universal Vaccine

Christopher E Lopez and Kevin L Legge
Vaccines (Basel), Vol.8(3), pp.1-23
09/01/2020
DOI: 10.3390/vaccines8030434
PMID: 32756443
url
https://doi.org/10.3390/vaccines8030434View
Published (Version of record) Open Access

Abstract

Influenza virus infections represent a serious public health threat and account for significant morbidity and mortality worldwide due to seasonal epidemics and periodic pandemics. Despite being an important countermeasure to combat influenza virus and being highly efficacious when matched to circulating influenza viruses, current preventative strategies of vaccination against influenza virus often provide incomplete protection due the continuous antigenic drift/shift of circulating strains of influenza virus. Prevention and control of influenza virus infection with vaccines is dependent on the host immune response induced by vaccination and the various vaccine platforms induce different components of the local and systemic immune response. This review focuses on the immune basis of current (inactivated influenza vaccines (IIV) and live attenuated influenza vaccines (LAIV)) as well as novel vaccine platforms against influenza virus. Particular emphasis will be placed on how each platform induces cross-protection against heterologous influenza viruses, as well as how this immunity compares to and contrasts from the “gold standard” of immunity generated by natural influenza virus infection.
adaptive immunity antibody influenza virus Review T cells vaccine

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