Seasonal flu vaccine

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Patient receiving the 2022/2023 seasonal influenza (flu) vaccine for the northern hemisphere. This is a quadrivalent vaccine that protects against two strains of influenza A, an H1N1 strain and an H3N2 strain, and two strains of the influenza B virus.

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Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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