Hepatitis B viruses,coloured transmission electron micrograph (TEM). They are a cause of liver inflammation. The smaller circles and the rod- shaped objects are surplus viral coat (capsid) protein from infected liver cells. These non- infectious antigens (foreign proteins) are used to make vaccines against hepatitis B. The complete viruses are called Dane particles. Hepatitis B is transmitted by infected blood,passed mainly through sexual intercourse or the sharing of needles by intravenous drug users. Symptoms include headache,fever,weakness and jaundice. Magnification unknown | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / DR LINDA STANNARD, UCT |
Taille de l’image : | 4620 px × 3862 px |
Model Release : | Non requis |
Property Release : | Non requis |
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