浦东机场出现确诊后，有关部门迅速采取行动 - 2021年08月23日

Shanghai reported three new locally transmitted COVID-19 cases, and upgraded two more areas to medium risk on Saturday, the city's health authorities said on Saturday.

All the new patients are workers at Pudong International Airport's foreign cargo aircraft operating area, according to Wu Jinglei, director of the Shanghai Health Commission. The three men, all 45 years old, and had been fully vaccinated.

They were found during the screening process under the close-loop quarantine management.