Seasonal flu vaccine. Syringes containing the 2012/2013 seasonal influenza (flu) vaccine. This vaccine protects against two strains of influenza A, an

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Seasonal flu vaccine. Syringes containing the 2012/2013 seasonal influenza (flu) vaccine. This vaccine protects against two strains of influenza A, an H1N1 strain and an H3N2 strain, and one strain of influenza B viruses.

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Size: 5197px × 3627px
Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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