A new @CDCMMWR finds portable, high-efficiency particulate air (HEPA) cleaners can reduce airborne particles and, along with universal masking, could …


A new @CDCMMWR finds portable, high-efficiency particulate air (HEPA) cleaners can reduce airborne particles and, along with universal masking, could offer greater protection from #COVID19. Learn more: http://bit.ly/MMWR7221

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