Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses. Abu-Raddad LJ, Chemaitelly H, Yassine HM, Benslimane FM, et al. J Travel Med 2021 May 28. pii: 6287696. doi: 10.1093.

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Abu-Raddad LJ, Chemaitelly H, Yassine HM, Benslimane FM, et al. Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses. J Travel Med 2021 May 28. pii: 6287696. doi: 10.1093.
PMID: 34050372