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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]
American vaccinologist Maurice Hilleman's team developed a chickenpox vaccine in the United States in 1981, based on the "Oka strain" of the varicella virus. [16] [17] [18] The chickenpox vaccine first became commercially available in 1984. [10] It was first licensed for use in the US by Merck, under the brand name Varivax, in 1995. [19]
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]
Based on various studies and projections, on average a person infected with the delta strain of COVID-19 can infect si The chickenpox virus has a fascinating evolutionary history that continues to ...
1984 – First vaccine for chicken pox; 1985 – First vaccine for Haemophilus influenzae type b (HiB) 1989 – First vaccine for Q fever [12] 1990 – First vaccine for hantavirus hemorrhagic fever with renal syndrome; 1991 – First vaccine for hepatitis A [13] 1998 – First vaccine for Lyme disease; 1998 – First vaccine for rotavirus [14]
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 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.
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 .