threequarters

A new study published in the journal Nature estimates that 103 million Americans, or 31 percent of the U.S. population, had been infected with SARS-CoV-2 by the end of 2020. Columbia University Mailman School of Public Health researchers…

Coronavirus cases and deaths are continuing to surge across the country as the fourth wave of the pandemic rages on. On Tuesday, the U.S. recorded 135,245 cases of COVID-19 with a seven-day rolling average of 151,005, which is a 145 percent…