Seasonal flu vaccine. Close-up of a syringe 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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Marazzi, Dr. P. |
Bildgröße: | 5197 px × 3459 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |