Influenza A virus,cut-away illustration. Influenza virus type A is a serious infection that can cause widespread pandemic outbreaks. Wild birds often carry this kind of flu virus (Avian flu). View showing a group of viruses with internal structure and RNA. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Harris, Roger |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |