IT WAS KNOWN IN 1918:
The Santa Barbara Daily News, and the Independent 16 Nov 1918:
Students in Binyamina and Modi'in ordered to wear masks
Health Ministry director signs mask-wearing order for schools in Binyamina and Modi’in.
COVID-19 might be over, but viral infections in Israel are surging
Children and adults around the country are getting sick as it usually happens in the winter, experts say. . . “We did not see them during the winter because we were wearing masks and because of the lockdowns, but they are normal viruses”….
Israeli Miracle COVID Mask now aims to make your Bedroom Safer for Sleep
SonoMask proved to be 99% effective at neutralizing the novel coronavirus, according to multiple studies
BUT FORGOTTEN IN 1920-1921