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IP address: 3.85.211.2
Time: 2024-03-28T17:59:55Z
URL: http://scholar.google.com/scholar_lookup?title=Duration+of+protection+against+mild+and+severe+disease+by+Covid-19+vaccines&year=2022&author=Andrews&journal=N+Engl+J+Med&volume=386&issue=4&pages=340-350&doi=10.1056%2FNEJMoa2115481&pmid=35021002