Various countries exploring the option of vaccine cocktails
Edited By WION Video Desk
Published: May 24, 2021, 22:25 IST | Updated: May 24, 2021, 22:25 IST
A growing number of countries are exploring the option of vaccine cocktails. It involves administering different COVID-19 vaccines for first and second doses. Several medical studies to test the efficacy of switching COVID-19 vaccines are being held.
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