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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 ]
The chicken pox vaccine became available in the U.S. in 1995 and, since then, cases of the virus in the U.S. have plummeted. But chicken pox still emerges from time to time. Montana public health ...
Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant within a cell, denoted as the lysogenic part of the viral life cycle. [1] A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection. Latency is the phase in certain viruses' life cycles in which ...
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.
Michiaki Takahashi (高橋 理明, Takahashi Michiaki, February 17, 1928 – December 16, 2013) was a Japanese virologist, best known for inventing the first chickenpox vaccine. He developed the "Oka" vaccine by producing v-Oka, a live-attenuated virus strain of varicella zoster virus .
During the four months of the monkeypox outbreak, health care providers, researchers and an anxious public have scrambled to determine how the virus transmits, Life after monkeypox: Men describe ...
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]
The Molluscum contagiosum virus virion is described as oval-shaped and has the dimension of approximately 320 nm × 250 nm × 200 nm. The virus has two distinct infectious particles called the mature virion (MV) and the enveloped virion (EV), which differ in that the EV contains a second outer cellular membrane.