Smallpox viruses, illustration. Smallpox also known as Variola was an infectious disease caused by the Variola virus. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / NOBEASTSOFIERCE |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |