Vaccinia virus (VV) particle,coloured transmission electron micrograph (TEM). VV is composed of a DNA (deoxyribonucleic acid) core (red),surrounded by a protein coat (yellow) and a lipid envelope (brown). Vaccinia causes cowpox,a disease of cattle and humans,which produces skin lesions. This variant is a vaccine strain,used to vaccinate against smallpox,a related but more deadly human disease | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / AMI Images |
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