Death Due to COVID-19 in an Infant with Combined Immunodeficiencies.

BACKGROUND: Severe Acute Respiratory Syndrome Coronavirus 2 has affected millions of people, and especially in adult patients with underlying diseases lead to death. Meanwhile pediatric patients with inherited defects of T cell should be prone to viral diseases. CASE PRESENTATION: Herein, we report an infant with severe combined immunodeficiencies, who were affected and died because of COVID-19. CONCLUSION: Considering the importance of finding how immune system can affect the viral infection, presentation of COVID-19 in immune deficient patients can be valuable.