illustration of Variola virus particles, the cause of smallpox. Each particle consists of a core of DNA (deoxyribonucleic acid) and proteins enclosed in an outer envelope containing glycoproteins. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CHRISTOPH BURGSTEDT |
Taille de l’image : | 7768 px × 4500 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |