CDC Director Walensky says COVID variants threaten to reverse positive trends

Feb 04, 2021, 01:50 PM(IST) WION Video Team
New COVID-19 cases and hospitalizations appear to be on a downward trajectory in the United States as the Biden administration remains confident that it can hit its target of 100 million vaccines in 100 days, the White House Coronavirus Task Force said on Wednesday (February 3).
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