With so many areas in the United States with low vaccination rates, the spread of the Delta variant of the coronavirus will make it that much harder for the country to reach herd immunity, a top ...
• People infected with the Delta variant are more likely to spread the virus before symptoms have emerged, according to a new study. • People with the Delta variant can transmit it for almost two days ...
The airline industry’s recovery has been grounded by the recent spike in COVID-19 cases, prompting U.S. travelers to cancel travel plans for Labor Day weekend. Air travel neared pre-pandemic levels in ...
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