Multisystem inflammatory syndrome in children (MIS-C) has affected almost a dozen kids in Washington state so far this year, according to several reports.

Since the start of the pandemic, a total of 11 children in the state have been diagnosed with the rare condition linked to the novel coronavirus, The Seattle Times reported.

“These kids feel terrible,” Dr. John McGuire, chief of critical care at Seattle Children’s, stated in an interview with the outlet. “They’re tired, weak, and achy, they have pretty high fevers. They feel completely wiped out.”

Fortunately, McGuire said, all of the children have responded well to treatment.

Read more at Fox News.