Coronavirus: New Research Reveals Which Face Masks Work Best | NBC Nightly News

by birtanpublished on August 15, 2020

DOUBT THAT WEARING MASKS PROTECTS US ALL AND SAIFSVES LIVES, BUT MASKS PROTECTS US ALL AND SAIFSVES LIVES, BUT WHICH MASKS ARE THE AND SAIFSVES LIVES, BUT WHICH MASKS ARE THE MOST EFFECTIVE? WHICH MASKS ARE THE MOST EFFECTIVE? >> Reporter: THESE MOST EFFECTIVE? >> Reporter: THESE DAYS THE CHOICES OF >> Reporter: THESE DAYS THE CHOICES OF FACE MASKS CAN BE DAYS THE CHOICES OF FACE MASKS CAN BE DIZZYIC

FACE MASKS CAN BE DIZZYIC DIZZYIC. DIZZYIC DIZZYIC. DUKE HEALTH SET OUT TO DIZZYIC. DUKE HEALTH SET OUT TO FIND WHICH WORK BEST DUKE HEALTH SET OUT TO FIND WHICH WORK BEST WITH A SIMPLE FIND WHICH WORK BEST WITH A SIMPLE EXPERIMENT DESIGNED TO WITH A SIMPLE EXPERIMENT DESIGNED TO VISUALIZE SMALL

EXPERIMENT DESIGNED TO VISUALIZE SMALL PARTICLES OR DROPLETS. VISUALIZE SMALL PARTICLES OR DROPLETS. RESEARCHERS SAID THE PARTICLES OR DROPLETS. RESEARCHERS SAID THE SAME PHRASE. RESEARCHERS SAID THE SAME PHRASE. FIRST WITH NO MASK. SAME PHRASE. FIRST WITH NO MASK. NOTE THE FLASHES OF FIRST WITH NO MASK. NOTE THE FLASHES OF LIGHT.

NOTE THE FLASHES OF LIGHT. THOSE ARE THE TINY LIGHT. THOSE ARE THE TINY PARTICLES WHICH COULD THOSE ARE THE TINY PARTICLES WHICH COULD CONTAIN CORONAVIRUS. PARTICLES WHICH COULD CONTAIN CORONAVIRUS. >> WE WOULD. CONTAIN CORONAVIRUS. >> WE WOULD. >> Reporter: BUT MAX >> WE WOULD. >> Reporter: BUT MAX WON’T PROTECT THOSE

>> Reporter: BUT MAX WON’T PROTECT THOSE AROUND YOU. WON’T PROTECT THOSE AROUND YOU. NOT A LOT OF DROPLETS AROUND YOU. NOT A LOT OF DROPLETS GOT THROUGH. NOT A LOT OF DROPLETS GOT THROUGH. >> YOU DON’T NEED A GOT THROUGH. >> YOU DON’T NEED A PERFECT MASK TO REDUCE >> YOU DON’T NEED A PERFECT MASK TO REDUCE COMMUNITY SPREAD.

PERFECT MASK TO REDUCE COMMUNITY SPREAD. >> Reporter: BUT COMMUNITY SPREAD. >> Reporter: BUT BANDANNAS AND NECK >> Reporter: BUT BANDANNAS AND NECK DIDN’T FAIR WELL. BANDANNAS AND NECK DIDN’T FAIR WELL. BOTTOM LINE, DIDN’T FAIR WELL. BOTTOM LINE, RESEARCHERS SAY MASKS BOTTOM LINE, RESEARCHERS SAY MASKS WORK IF THEY HAVE

RESEARCHERS SAY MASKS WORK IF THEY HAVE SEVERAL LAYERS OF GOOD

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