Swine flu virus H1N1. Illustration showing influenza virus with surface glycoprotein spikes hemagglutinin (HA,red) and neuraminidase (NA,blue). Hemagglutinin is involved in the attachment of the virus to a human respiratory cell. Neuraminidase participates in the release of a virus from a cell | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |