Multiple vaccine doses could be necessary to protect from coronavirus, Bill Gates says
Microsoft co-founder Bill Gates said on 22, July 2020 that people could need multiple doses of a potential corona-virus vaccine to immunize themselves from the corona-virus. If necessary, the multiple doses could require more than 7 billion vaccinations to be administered worldwide. "None of the vaccines at this point appear like they'll work with a single dose. That was the hope at the very beginning." Gates said in an interview to CBS NEWS. Read the full article here: CBS NEWS
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