Are we really in need of COVID-19 booster shots?
Edited By WION Video Desk
Published: May 14, 2021, 02:06 IST | Updated: May 14, 2021, 02:06 IST
Vaccine makers Moderna Inc and Pfizer Inc, with its German partner BioNTech, have been vocal in their view that the world will soon need COVID-19 booster shots to maintain high levels of immunity.
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