
Medical staff monitor health data of patients in the quarantine zone at the Shanghai New International Expo Center, east China's Shanghai, April 10, 2022. A total of 148 medical workers from Jiangxi Province are providing assistance in fighting the resurgent COVID-19 pandemic in the N3 quarantine zone in Shanghai. (Photo: China News Service/Yin Liqin)

Medical staff talk with a patient to be discharged at the Shanghai New International Expo Center, east China's Shanghai, April 10, 2022. (Photo: China News Service/Yin Liqin)

A patient works while receiving treatment in the quarantine zone at the Shanghai New International Expo Center, east China's Shanghai, April 10, 2022. (Photo: China News Service/Yin Liqin)

Medical works play with a child in the quarantine zone at the Shanghai New International Expo Center, east China's Shanghai, April 10, 2022. (Photo: China News Service/Yin Liqin)

Medical staff distribute food to a child patient in the quarantine zone at the Shanghai New International Expo Center, east China's Shanghai, April 10, 2022. (Photo: China News Service/Yin Liqin)

Photo shows a child patient with his family member in the quarantine zone at the Shanghai New International Expo Center, east China's Shanghai, April 10, 2022. (Photo: China News Service/Yin Liqin)