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Abstract
Evaluation of: Victor ST, Watanabe S, Katsura H, Ozawa M, Kawaoka Y. A replication-incompetent PB2-knockout influenza A virus vaccine vector. J. Virol. 86(8), 4123–4128 (2012).
Influenza is an emerging as well as resurging contagious disease with a worldwide impact on public health. Although broad administration of the licensed influenza virus (IFV) vaccines has mitigated the disease in many countries over the years, there are intrinsic problems associated with them. The study under evaluation reports that a novel PB2-knockout nonreplicating nasal IFV vaccine has been generated with the capacity to confer protection of mice against live IFV challenges. Moreover, an exogenous gene expressed from the bioengineered PB2-knockout IFV could elicit an immune response against the exogenous protein, showing its potential to deliver transgenes as a vector. The risk–benefit ratio of this new influenza vaccine vector is discussed.
Financial & competing interests disclosure
The author has no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript.