Medical Definition of influenza vaccine
: a vaccine against influenza that typically contains a mixture of strains of influenza virus cultured in chick embryos:
a
: one that is injectable and contains formaldehyde-inactivated influenza viruses
b
: one that is delivered as a nasal spray and contains live attenuated influenza viruses
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“Influenza vaccine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/influenza%20vaccine. Accessed 20 Oct. 2021.
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