Seasonal flu vaccine. Close-up of a boy receiving the 2015/2016 seasonal influenza (flu) vaccine. Children over the age of two receive the vaccine as

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Seasonal flu vaccine. Close-up of a boy receiving the 2015/2016 seasonal influenza (flu) vaccine. Children over the age of two receive the vaccine as a nasal spray. This vaccine protects against two strains of influenza A, an H1N1 strain and an H3N2 strain, and two strains of influenza B viruses.

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Size: 5141px × 3422px
Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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