Table III.

Demographic and clinical characteristics of patients hospitalized because of COVID-19 following vaccination

Age, y	Sex	Patient medical history	Hospital course	Hospital length of stay	COVID-19 therapies
18	Female	Premature ventricular contractions	Symptoms: fever, cough, dyspnea, chest pain, vomiting, diarrhea Supportive care: admitted for observation and intravenous fluids because of dehydration; no supplemental oxygen requirement	24 h	No specific COVID-19 therapies
18	Female	Heart transplantation for congenital heart disease complicated by heterotaxy and polysplenia Patient has history of COVID-19 complicated by MIS-C in late 2020	Symptoms: fatigue, dyspnea, cough, sore throat Supportive care: no supplemental oxygen requirement	4 d	Remdesivir × 4 doses∗ Dexamethasone × 2 doses∗
20	Female	Connective tissue disorder requiring methotrexate	Symptoms: congestion, cough, diarrhea Supportive care: admitted for observation and intravenous fluids because of dehydration; no supplemental oxygen requirement	48 h	No specific COVID-19 therapies
17	Male	Inherited endocrinopathy complicated by adrenal insufficiency	Symptoms: fever, cough Supportive care: in Emergency Department, developed hypotension and treated with stress-dose corticosteroids; no supplemental oxygen requirement	48 h	No specific COVID-19 therapies

MIS-C, multisystem inflammatory syndrome in children. None of these patients experienced a coinfection caused by another respiratory virus.

^∗Despite the lack of oxygen requirement, the patient was hospitalized for observation and received targeted COVID-19 treatment at the provider's discretion because of immunocompromising conditions and history of COVID-19 complicated by MIS-C.