Despite vaccines, CDC warns of a 4th wave of COVID-19 in US

Published: Mar 03, 2021, 08:25 AM(IST) WION Video Team
The Centres for Disease Control & Prevention has sent out a stern warning of the possibility of the 4th wave of COVID-19 infections in the United States. This has come at a time when the National Public Health Institute has given the green signal to Johnson & Johnson's COVID-19 vaccine.
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