Figure 1.

Reported cases of multisystem inflammatory syndrome in children by epidemiological week of symptom onset compared with cases of COVID-19 in children and youth aged 0–19 years, Canada, March 11, 2020 to October 2, 2021(N=269)

Abbreviations: COVID-19, coronavirus disease 2019; MIS-C, multisystem inflammatory syndrome in children

^a Data source: MIS-C National reporting from provinces and territories

^b Data source: Coronavirus diseases 2019 national surveillance system

^c COVID-19 positive via RT-PCR, antigen test or serology

^d No known evidence of SARS-CoV-2 infection or exposure to a COVID-19 case

Note: The shaded area represents a period of time where it is expected that cases have occurred but have not yet been reported nationally