A volunteer looks out near a Chinese national flag during a farewell ceremony for the last group of medical workers who came from outside Wuhan to help the city during the coronavirus outbreak in Wuhan in central China’s Hubei province on Wednesday.

A volunteer looks out near a Chinese national flag during a farewell ceremony for the last group of medical workers who came from outside Wuhan to help the city during the coronavirus outbreak in Wuhan in central China’s Hubei province on Wednesday.