Steamy Singapore says face shields no substitute for mandatory masks

Tropical city-state Singapore said on Monday it was curbing the use of face shields as a substitute for masks, as its residents look for ways to protect themselves from the coronavirus and avoid discomfort on hot, humid days.Singapore is due to reopen schools and some businesses on Tuesday, the first tentative steps in emerging from a two-month COVID-19 lockdown."The design of face shields typically leaves a gap... Masks that are worn closely and completely over the nose and mouth do not have su