The mayor of Los Angeles on Wednesday told everyone in the nation’s second-largest city to start wearing masks to combat the coronavirus…“To be clear, you should still stay at home. This isn’t an excuse to suddenly all go out,” Garcetti said….Garcetti’s announcement came after Riverside County public health officer Dr. Cameron Kaiser urged that people…

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“Adrien Burch, an expert in microbiology at the University of California, Berkeley, noted that “despite hearing that face masks ‘don’t work,’ you probably haven’t seen any strong evidence to support that claim. That’s because it doesn’t exist.” In fact, there is evidence of the exact opposite: that masks help prevent viral infections like the current pandemic… One…

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“While medical face masks should be reserved for health professionals battling the coronavirus amid a shortage of protective equipment, some experts are saying others should consider improvising their own mask. “Cover your face with cloth — however you want to do that,” Shan Soe-Lin, a lecturer at the Yale Jackson Institute for Global Affairs, told The New York…

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“It’s straightforward: Coronavirus appears to mostly spread when germ-containing droplets make it into a person’s mouth, nose, or eyes. If you have a physical barrier in front of your mouth and nose, that’s simply less likely to happen. But the best protection masks offer may be protection from the wearer. While the evidence is thin on how…

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