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Chickenpox, also known as varicella (/ ˌ v ɛ r ə ˈ s ɛ l ə / VER-ə-SEL-ə), is a highly contagious disease caused by varicella zoster virus (VZV), a member of the herpesvirus family. [ 3 ] [ 7 ] [ 5 ] The disease results in a characteristic skin rash that forms small, itchy blisters , which eventually scab over. [ 1 ]
Chickenpox-like rashes were recognized and described by ancient civilizations; the relationship between zoster and chickenpox was not realized until 1888. [29] In 1943, the similarity between virus particles isolated from the lesions of zoster and those from chickenpox was noted. [30] In 1974 the first chickenpox vaccine was introduced. [31]
Chicken pox is an illness caused by the varicella zoster virus, according to the Centers for Disease Control and Prevention. It causes a distinct itchy, blister-like rash that usually shows up on ...
The causative agent for shingles is the varicella zoster virus (VZV)—a double-stranded DNA virus related to the herpes simplex virus. Most individuals are infected with this virus as children which causes an episode of chickenpox .
Varicella vaccine, also known as chickenpox vaccine, is a vaccine that protects against chickenpox. [9] One dose of vaccine prevents 95% of moderate disease and 100% of severe disease. [10] Two doses of vaccine are more effective than one. [10]
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Cotia virus of 2012 is an unusual chordopoxvirus that may belong to a new genus. [27] Cotia virus was assigned the new genus Oryzopoxvirus in 2019. [28] A Brazilian porcupinepox virus discovered in 2019 is closely related to the virus. [29] Two more chordopoxviruses are NY_014 and murmansk poxvirus.
And no, monkeypox and chickenpox are not related. Monkeypox, declared a global health emergency by the World Health Organization, has been reported throughout California with more than 400 ...