In April 2020, during the national lockdown due to the coronavirus disease-2019 (COVID-19) pandemic, a 7-year-old boy of Congolese descent, without any relevant family or personal history, presented to the pediatric emergency department of our hospital in Paris, France, after 5 days of fever. He had developed a transient rash of upper extremities, abdominal pain, vomiting and diarrhea on the day of his admission.