TechnologyPrognosisHave a confidential tip for our reporters? Before it’s here, it’s on the LEARN MOREBy This article is for subscribers only.Two months after the first Covid-19 vaccines received U.S. clearance, the shots’ efficacy is holding up well in the real world, according to a study among more than 31,000 people immunized in four states.The report, one of the first large-scale studies to assess how vaccines are performing in practice, used artificial intelligence software to scan the medical records of early vaccine recipients at Mayo Clinic facilities. The findings are important...…TechnologyPrognosisHave a confidential tip for our reporters? Before it’s here, it’s on the LEARN MOREBy This article is for subscribers only.Two months after the first Covid-19 vaccines received U.S. clearance, the shots’ efficacy is holding up well in the real world, according to a study among more than 31,000 people immunized in four states.The report, one of the first large-scale studies to assess how vaccines are performing in practice, used artificial intelligence software to scan the medical records of early vaccine recipients at Mayo Clinic facilities. The findings are important...WW…

·March 19, 2020, 3:34 AM UTCSubscribe to Fortune’s for a daily roundup of stories on the coronavirus outbreak and its impact on global business.New evidence from Europe and the U.S. suggests that younger adults aren’t as impervious to the novel that’s circulating worldwide as originally thought.Despite initial data from China that showed elderly people and those with other health conditions were most vulnerable, young people—from twenty-somethings to those in their early forties—are falling seriously ill. Many require intensive care, according to reports from Italy and France. The risk is...…·March 19, 2020, 3:34 AM UTCSubscribe to Fortune’s for a daily roundup of stories on the coronavirus outbreak and its impact on global business.New evidence from Europe and the U.S. suggests that younger adults aren’t as impervious to the novel that’s circulating worldwide as originally thought.Despite initial data from China that showed elderly people and those with other health conditions were most vulnerable, young people—from twenty-somethings to those in their early forties—are falling seriously ill. Many require intensive care, according to reports from Italy and France. The risk is...WW…