Photomicrograph shows multiple virions of the yellow fever virus at a magnification of 234,000x. Yellow fever,a viral disease that ranges in severity from an influenza-like syndrome to severe hepatitis or haemorrhagic fever,is found primarily in sub-Saharan Africa and tropical South America. In Africa,where most cases are reported,a variety of vectors are responsible for transmitting the virus. The case-fatality rate is greater than 20%,and infants and children are at greatest risk for infection | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 3600 px × 4268 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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