A child patient plays in a makeshift hospital in Shanghai, East China, on Monday. The makeshift hospital with 13,600 beds has admitted 31,000 patients since it began operation, and 21,000 of them have been discharged, according to Huashan Hospital. (Photos: Xinhua)

A patient contacts her family in a makeshift hospital in Shanghai, East China, on Saturday. Along with medical teams from neighboring Zhejiang and Jiangsu provinces, Huashan Hospital took charge of the diagnosis and treatment of COVID-19 cases in Lingang makeshift hospital on April 5.

Medical workers exchange information about patients in a makeshift hospital in Shanghai, East China, on Monday. Part of the makeshift hospital in Pudong's Lingang area has been converted to treat COVID-19 patients with moderate symptoms and patients over 80 years old.

A patient watches a movie in a makeshift hospital in Shanghai, East China, On Thursday.

A patient takes online classes via mobile phone in a makeshift hospital in Shanghai, East China, April 19, 2022.