Greek Doctors march in Thessaloniki to promote face masks

Doctors marched with their families and a few friends in Greece's second-largest city Saturday not to protest, but to debunk misinformation about face masks circulating during the coronavirus pandemic. A few dozen people fast-walked and ran 2 kilometers (1.25 miles) through central Thessaloniki while wearing face masks and then measured their oxygen and carbon dioxide levels, finding them all normal. Opponents of mandatory face mask use have spread the claim […]