Health

Americans with Covid or other respiratory infections need not isolate for five days before returning to work or school, the Centers for Disease Control and Prevention said on Friday, a striking sign of changing attitudes toward the coronavirus.People with respiratory illnesses may resume daily activities if they have been fever-free for at least 24 hours without the aid of medications and if their symptoms are improving, agency officials said. Acknowledging that people can be contagious even without symptoms, the C.D.C. urged those who end isolation to limit close contact with others, wear well-fitted masks, improve indoor air quality and practice…

The biggest name in NASCAR is on the move.Dale Earnhardt Jr. is leaving NBC and heading to racing newcomers Amazon Prime Video and Warner Bros. Discovery Sports, sources briefed on his decision told The Athletic.Earnhardt is expected to take this season off and then resume his broadcasting career in 2025 when WBD Sports and Amazon begin their coverage.The move figures to give WBD Sports and Amazon instant credibility when they start their series. Each will have five races a season. WBD Sports’ races will be broadcast on TNT, streamed on Max and have a Bleacher Report component. NASCAR complements WBD…

An official in charge of diversity, equity and inclusion at Columbia University’s Irving Medical Center was accused this week of plagiarizing large sections of his doctoral dissertation, according to an anonymous complaint filed with the university.The 55-page complaint accused the official, Alade McKen, of copying material in his 2021 dissertation at Iowa State University from more than two dozen other scholars and from Wikipedia, which is written and edited by volunteers from the general public.The complaint was published online Thursday by The Washington Free Beacon, a conservative news website that led a campaign last year against the former president of…

TORONTO — Sarah Nurse was driving home from a recent PWHL Toronto practice when she got a bit of sage advice.It wasn’t from a podcast or a friend on the phone. The advice came courtesy of a billboard on the side of the road in Canada’s most populous city, featuring her own face with the Adidas slogan “You got this.”“I was like, yeah, I do,” Nurse said with a laugh.The billboard she drove past is one of many across the country, including a massive advertisement at Yonge-Dundas Square — Toronto’s closest approximation to Times Square in New York City —…