Prognosis

Universal Masks in U.S. Could Save 130,000 Lives Before Vaccine

  • Without masks, half a million people could die, researchers say
  • Only half of Americans say they always wear masks in public
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Universal masking in the U.S. could save some 130,000 lives by the end of February, according to projections by some of the nation’s top Covid-19 trackers at the University of Washington.

The analysis, which appeared Friday in the journal Nature Medicine, models the impact of different levels of social distancing on the trajectory of the pandemic from this fall to the end of February 2021. White House officials and public health leaders said they don’t expect a vaccine to be widely available until March or April, which means wearing masks and other non-pharmaceutical measures will likely be the only option to reduce the spread of the virus until the end of February.