Gravitas: WION Vaccine tracker: The vaccines that could be approved first

Published: Nov 14, 2020, 12:40 AM(IST)
Some volunteers from the Pfizer trial have complained of side-effects. Reportedly, they felt headaches, muscle pain, and fever. Does that mean the vaccine is unsafe? Will the new vaccines make you sick? Palki Sharma Upadhyay tells you all you need to know.
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