A. Oxford-Astrazeneca
B. Pfizer-BioNTech
C. SinoVac
D. None of these
Home MCQs General Knowledge MCQs Quiz AZD1222 Covid-19 vaccine has been developed by _________ company ?
A. Oxford-Astrazeneca
B. Pfizer-BioNTech
C. SinoVac
D. None of these