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In 2015 chickenpox resulted in 6,400 deaths globally – down from 8,900 in 1990. [6] [15] Death occurs in about 1 per 60,000 cases. [9] Chickenpox was not separated from smallpox until the late 19th century. [9] In 1888 its connection to shingles was determined. [9] The first documented use of the term chicken pox was in 1658. [16]
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 ]
Chickenpox, a highly contagious illness caused by a primary infection with varicella zoster virus (VZV) Cowpox , a rodent disease that can infect cattle, and is also transmissible to humans; used for vaccination against smallpox
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]
Its symptoms are presumably similar to Muggle illnesses like smallpox and chicken pox. However, in addition to leaving the victim's skin pockmarked, dragon pox causes a lasting greenish tinge. Simpler cases present with a green-and-purple rash between the toes and sparks coming out of the nostrils when the patient sneezes.
The initial symptoms of Orthopoxvirus infection include fever, malaise, head and body aches, and occasionally vomiting. With the exception of mpox infection, one lesion is the norm, although satellite lesions may be produced by accidental autoinoculation.
Enanthem or enanthema is a rash (small spots) on the mucous membranes. [1] It is characteristic of patients with viral infections [2] causing hand foot and mouth disease, measles, and sometimes chicken pox, or COVID-19. [3]
The name of the family, Poxviridae, is a legacy of the original grouping of viruses associated with diseases that produced poxes on the skin.Modern viral classification is based on phenotypic characteristics; morphology, nucleic acid type, mode of replication, host organisms, and the type of disease they cause.