COVID-19.It was not immediately clear when the case multisystem inflammatory syndrome in children, or MIS-C, was diagnosed, or whether the patient had since recovered.Teen says inflammatory disorder linked to coronavirus feels like being ‘internally on fire’The province confirmed its first case of the condition in mid-October, and says it has investigated another 16 suspected cases that were found not to be MIS-C.According to the BC Centre for Disease Control, children with MIS-C can become critically ill or even die.The syndrome can lead to damaged blood vessels as well as inflammation around the heart or blood vessels, Henry said.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]Dozens of Canadian children treated.