Shingles skin blisters. Illustration of the effect of varicella-zoster virus particles on the skin. An infection of the nerves by this virus is called shingles or herpes zoster. It results from a reactivation of this virus from an earlier chickenpox infection. A human figure is shown with painful blisters (red spots) on their lower right back. This is caused by the reactivated virus travelling along sensory nerves to reach the skin (skin tissue shown in pink) where it causes the outbreak of small blisters (upper left). The blisters last around two weeks and, if untreated, nerve damage causes severe pain in the affected area. Antiviral drugs, like acyclovir, can help if taken early on. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bavosi, John |
Taille de l’image : | 5770 px × 4904 px |
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