ADHS: 3 deaths linked to COVID-related condition in kids called MIS-C Since the start of the pandemic, three people have died in Arizona related to a rare COVID-linked illness in children, according to the Arizona Department of Health Services. and last updated 2021-04-14 21:19:13-04 Since the start of the pandemic, three people have died in Arizona related to a rare COVID-linked illness in children, according to the Arizona Department of Health Services. A representative for ADHS told ABC15 they have received reports of three confirmed deaths related to multisystem inflammatory syndrome in children, or MIS-C. Citing privacy concerns, the agency would not disclose further details.