Nurses treat COVID-19 patients in isolation wards at Beijing Ditan Hospital

A nurse (L) who came to support the fight against the COVID-19 epidemic learns to use the interphone with the help of a nurse of Ditan Hospital at the isolation ward of the hospital in Beijing, capital of China, June 19, 2020. Beijing reported 227 COVID-19 cases on June 11-20. (Xinhua/Peng Ziyang)