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Abstract
Influenza vaccines have been prepared in embryonated chicken eggs and used for more than 60 years. Although this older technology is adequate to produce hundreds of millions of doses per year, most viral vaccines are now being produced in cell culture platforms. The question of whether egg-based influenza vaccines will continue to serve the needs of the growing influenza vaccine market is considered here. In 2006, the US government committed to support the development of cell-based influenza vaccines by funding advanced development and expansion of domestic manufacturing infrastructure. Funding has also been provided for other recombinant DNA approaches that do not depend on growth of influenza viruses. As the influenza vaccine industry expands over the next 5–10 years, it will be interesting to follow which of these various technologies are able to best meet the needs of a growing influenza vaccine market.
Financial & competing interests disclosure
The authors have 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.