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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]
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 ...
Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.
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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[8] [9] It can be considered a therapeutic vaccine, given that it is used to treat a latent virus that has remained dormant in cells since chicken pox infection earlier in life. [8] The available zoster vaccine is intended for use in people over the age of 50. [ 9 ]
But as news of the global outbreaks spreads, so does misinformation about the disease (including a completely unfounded one connecting the disease — which has been around since the 1950s, to a ...
The term does not refer to age-specific diseases, such as the childhood diseases chicken pox and measles, only diseases of the elderly. They are also not accelerated aging diseases , all of which are genetic disorders .