Credit: People line up to get tested for Covid-19 at a testing site in Washington, DC, on December 29, 2021. - The US has hit its highest-ever average of new Covid cases as Omicron spreads at a blistering pace, amid testing woes and health worker shortages. "Probably more than a half million" are currently infected every day, Howard Forman, a professor at the Yale School of Public Health told AFP. Images of people lining up to get tested, and an ongoing shortage of home kits, are becoming a political liability for President Joe Biden, who slammed his predecessor Donald Trump over mismanagement of the pandemic. (Photo by Eva HAMBACH / AFP) (Photo by EVA HAMBACH/AFP via Getty Images)
Federal website for free COVID tests launches a day early
