when did the chicken pox vaccine become available in the united states
Varicella vaccine The chickenpox vaccine first became commercially available in 1984.[2] It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.[5] In the United States it costs between 100 and 200 USD.[6]
Economic nationalism While the coining of the term "
Cotton Cotton remains a major export of the southern United States, and a majority of the world's annual cotton crop is of the long-staple American variety.[43]
Rift Valley fever A vaccine has been conditionally approved for use in animals in the US.[17] It has been shown that knockout of the NSs and NSm nonstructural proteins of this virus produces an effective vaccine in sheep as well.[18]
New France Thus, it extended from Newfoundland to the Canadian prairies and from Hudson Bay to the Gulf of Mexico, including all the Great Lakes of North America.
Chickenpox Why the term was used is not clear but it may be due to it being a relatively mild disease.[14] It has been said to be derived from chickpeas, based on resemblance of the vesicles to chickpeas,[14][71][72] or to come from the rash resembling chicken pecks.[72] Other suggestions include the designation chicken for a child (i.e., literally 'child pox'), a corruption of itching-pox,[71][73] or the idea that the disease may have originated in chickens.[74] Samuel Johnson explained the designation as "from its being of no very great danger".[75]