Close-up of a syringe and the H1N1 swine flu vaccine that became available in late 2009 for immunization against this virus, which is a strain of influenza type A. The 2009 outbreak strain of H1N1 contains genetic material from bird, human,and swine influenza viruses.
Credit
Scott Camazine
Dimensions
5231 x 3475 pixels
Print Size @ 300 dpi
17 x 12 inches / 44 x 29 cm