According to a Danish study, mixing of which vaccine with mRNA vaccines will offer a ‘good protection’?

A. Covaxin

B. Sputnik V

C. Sinopharm

D. AstraZeneca

Explanation:

Denmark’s State Serum Institute on August 2, 2021, said that combining the AstraZeneca COVID-19 vaccine with the second dose of mRNA vaccines either Moderna or Pfizer-BioNTech’s vaccines offers a ‘good protection’.