تصفح حسب الموضوع "alpha variant"
السجلات المعروضة 1 -- 1 من 1
-
Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses.
( Oxford University Press , 2021 , Article)Strategies for rolling out vaccination against Coronavirus Disease 2019 (Covid-19) varied across countries. A key question is whether delaying administration of the second vaccine dose to vaccinate the largest number of ...