One dose of the Pfizer or AstraZeneca vaccines reduces the chances of someone infected with coronavirus from spreading it to other household members by up to 50 percent, according to a English study...
source https://www.ndtv.com/world-news/one-dose-of-covid-vaccine-cuts-household-spread-by-up-to-50-uk-study-2423251
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Hello, my name is Jack Sparrow. I'm a 50 year old self-employed Pirate from the Caribbean.
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