The condition, which usually emerges several weeks after infection, is still rare, but can be dangerous. “A higher percentage of them are really critically ill,” one doctor said.The condition, which usually emerges several weeks after infection, is still rare, but can be dangerous. “A higher percentage of them are really critically ill,” one doctor said.your-feed-science, multisystem inflammatory syndrome in children (MIS-C), Disease Rates, Coronavirus (2019-nCoV), Hospitals, Children and Childhood, Youth, Heart, Children’s Hospital Los Angeles, Braden WilsonRead More