Statement on the prevention and treatment of COVID‐19 in patients with pediatric cancer in Japan

To the Editor: The novel coronavirus disease (COVID-19) has caused a global pandemic since December 2019. The reported risk factors for severe infection include old age, diabetes, respiratory diseases, and cancer.1 Some reports showed that many pediatric cases were asymptomatic.2, 3 Three of 171 cases of pediatric infections in Wuhan required intensive care including ventilator use and one of these cases was a leukemia patient undergoing...