Table 1.

CDC case definition (from ref. 6)

All 4 criteria must be met:
1. Age <21 years
2. Clinical presentation of MIS-C, including:
Fever: equal or > to 24 h
Laboratory evidence of inflammation
Multisystem involvement equal or > to 2 organ systems
Sever illness requiring hospitalization
3. No alternative plausible diagnosis
4. Evidence of recent SAR-CoV-2 infection/exposure:
Positive SARS-CoV-2 (RT-PCR) Positive serology Positive antigen test COVID-19 exposure within 4 weeks prior to the onset of symptoms