covid-19February 26, 2021 CDC director is 'very concerned' that Covid cases have stopped falling The third Covid-19 spike may be leveling off at a high level, a worrying shift in the trajectory of the coronavirus pandemic, a top government health official said. Related posts U.K.'s Johnson launches mass testing…Do you need a Covid-19…What's behind workers' hesitation to…Fully vaccinated people can travel…Younger Latino men are Covid's…Salmonella infections in eight states…Salmonella infections in eight states…The U.S. isn't losing to…Virus-killing robot tested for use…In Covid fight, Cuba touts…