national
ETV Bharat / Covid Vaccine Effectiveness
Some COVID-19 mutations may dampen vaccine effectiveness
Jan 21, 2021
WHO: No indication new Covid-19 variant in UK interferes with vaccine effectiveness
Dec 15, 2020
Pfizer COVID vaccine 95% effective, ready to seek emergency clearance
Nov 18, 2020
Copyright © 2024 Ushodaya Enterprises Pvt. Ltd., All Rights Reserved.