A panda rests at Wuhan Zoo in Wuhan, central China's Hubei Province, March 13, 2020. Wuhan Zoo was closed on Jan. 22 after the novel coronavirus outbreak. Dozens of employees in the zoo have been sticking to their posts with feeding and disinfection work for nearly a thousand animals here. (Photos: Xinhua)

Flamingoes are fed at Wuhan Zoo in Wuhan, central China's Hubei Province, March 13, 2020. Wuhan Zoo was closed on Jan. 22 after the novel coronavirus outbreak. Dozens of employees in the zoo have been sticking to their posts with feeding and disinfection work for nearly a thousand animals here.

A breeder feeds penguins at Wuhan Zoo in Wuhan, central China's Hubei Province, March 7, 2020. Wuhan Zoo was closed on Jan. 22 after the novel coronavirus outbreak. Dozens of employees in the zoo have been sticking to their posts with feeding and disinfection work for nearly a thousand animals here. (Str/Xinhua)

Two red pandas play at Wuhan Zoo in Wuhan, central China's Hubei Province, March 13, 2020. Wuhan Zoo was closed on Jan. 22 after the novel coronavirus outbreak. Dozens of employees in the zoo have been sticking to their posts with feeding and disinfection work for nearly a thousand animals here.

Pelicans are fed at Wuhan Zoo in Wuhan, central China's Hubei Province, March 13, 2020. Wuhan Zoo was closed on Jan. 22 after the novel coronavirus outbreak. Dozens of employees in the zoo have been sticking to their posts with feeding and disinfection work for nearly a thousand animals here.