Table 1:

Sample Description.

Index	Age Range	Gender	Ethnicity	Comorbidities	Immunosuppressive
MIS-C
M1	0–5	Male	Hispanic	None	None
M2	6–11	Female	Hispanic	None	None
M3	8–13	Male	Black	Asthma	None
M4	0–5	Female	Hispanic	None	None
M5	15–20	Male	Hispanic	Asthma	None
M6	7–12	Male	Hispanic	Appendicitis	None
M7	6–11	Female	Black	MDD, PTSD	None
M8	6–11	Female	Hispanic	None	None
Pediatric COVID-19
C1	4–9	Female	Hispanic	B-cell ALL	Chemothera py
C2	14–19	Male	Hispanic	Asthma	None
C3	0–5	Male	Hispanic	Autoimmune Anemia	Steroids
C4	13–18	Female	Not Reported	Pineoblastoma	Chemotherapy
C5	14–19	Male	Hispanic	B-cell ALL	Chemotherapy
C6	2–7	Male	White	Gastrochisis	Tacrolimus
C7	9–14	Male	Black	IBD	Infliximab
Healthy controls
H1	19–24	Female	Asian	None	None
H2	31–36	Male	White	None	None
H3	22–27	Female	White	None	None
H4	31–36	Female	White	None	None

Demographic and clinical variables for the MIS-C cases (N = 8), pediatric COVID-19 cases (N = 7), and healthy controls (N = 4). Index column refers to the individual identifiers. Age is presented in years. Sex, ethnicity, and comorbidities are as reported in the electronic medical record. Immunosuppressants indicate the usage of chronic immunosuppressive therapies for any indication. Further clinical data can be found in Data S1. MDD = Major Depressive Disorder; PTSD = Post-Traumatic Stress Disorder; ALL = Acute Lymphoblastic Leukemia, IBD = Inflammatory Bowel Disease.