Covid-19: U.S. Air Travel Hits Pandemic High, Adding to Fears of Yet More Case Surges and the New Variant
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March 5, 2021, 5:20 a.m. ETMarch 5, 2021, 5:20 a.m. ET
U.S. officials are considering giving people half-doses of Moderna’s vaccine, with one saying that could double vaccinations without compromising immunity. India has approved the Oxford-AstraZeneca vaccine and a local version.
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Travelers passing through a security checkpoint at Denver International Airport late on New Year’s Eve.Credit.David Zalubowski/Associated Press
With the coronavirus raging in many parts of the country and hospitals dangerously overstretched, public health officials warned on Sunday that more calamitous days may be ahead, as infections tied to holiday gatherings fuel a fresh spate of illness and death.