The Pfizer Inc.-BioNTech SE vaccine remained highly effective against Covid-19 after six months, according to new long-term results that Pfizer said could be used to seek an expansion of the shot's...
source https://www.ndtv.com/world-news/pfizer-says-its-shot-remains-more-than-91-effective-after-6-months-2404452
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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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