when was the chickenpox vaccine introduced 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]
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Frances Fisher Frances Louise Fisher[1] (born 11 May 1952)[2] is a British-American actress.