More than a half million people in the United States could die from Covid-19 by the end of February next year, but around 130,000 of those lives could be saved if everybody were to wear masks, according to estimates from a modelling study.More than a half million people in the United States could die from Covid-19 by the end of February next year, but around 130,000 of those lives could be saved if everybody were to wear masks, according to estimates from a modelling study.
