Filiaria skin lesion resulting from River Blindness (Onchocerciasis). It is the second leading infectious cause of blindness in the world. It is caused by Onchocerca volvulus,a parasitic nematode that can live up to fifteen years in the human body. It is transmitted through the bite of a black fly. The worms then spread throughout the body. When they die,they cause intense itching and a strong immune system response that can destroy nearby tissue,such as the eye | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Camazine, Scott |
Taille de l’image : | 3843 px × 2577 px |
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