MIS-C symptoms appear between two and six weeks (four weeks on average) after COVID-19 infection. Most children with MIS-C have antibodies to the SARS-CoV-2 virus. MIS-C is a treatable condition and most children recover fully from this illness.

When do symptoms of the coronavirus disease typically start?

People with COVID-19 have had a wide range of symptoms reported – ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus.

What is multisystem inflammatory syndrome in children in the context of COVID-19?

Multisystem inflammatory syndrome (MIS) is a rare but serious condition associated with COVID-19 in which different body parts become inflamed, including the heart, lungs, kidneys, brain, skin, eyes, or gastrointestinal organs. MIS can affect children (MIS-C) and adults (MIS-A).