Wear a mask, but take steps to prevent ‘maskne’, skin problems: Winnipeg dermatologist Jason Shaw, manager of the city’s Emergency Operations Centre, called the mask mandate a “reasonable measure” when used in combination with other precautions like hand-washing and social distancing.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]“We’re asking Winnipeggers visiting our facilities and using public transit to do their part and wear a face mask to protect our most vulnerable residents.”City staff have been instructed to let people know about the new measure if they aren’t wearing a mask but said Winnipeggers won’t be denied service for refusing to cover up.Transit riders, however, could face a $100 fine for.