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Dr. Mercedes Carnethon: 'We can be fairly confident' U.K. Covid variant is 'everywhere'


Dr. Mercedes Carnethon, vice chair of preventive medicine at Northwestern University, stressed the importance of "reinforcing the basic messages" in order to prevent the spread of Covid-19. She also advised that "we can be fairly confident" the variant of Covid-19 first detected in the United Kingdom is "everywhere" in the United States.