The last COVID-19 patient in North China's municipality of Tianjin was discharged from Haihe Hospital on Sunday, meaning the city has cured all its 133 confirmed cases.

The patient was the first confirmed case in the Baodi Department Store, epicenter of the epidemic outbreak in Tianjin, said Mei Zaoxian, doctor in charge of the patient's treatment at the hospital.

Shao Shifeng, vice-director of the designated hospital, said: "In retrospect to the past 55 days that the hospital began offering centralized treatment to the confirmed cases in Tianjin, the last patient leaving the hospital indicates that the city's campaign has been a success."

But he warned the potential risk brought by the people coming from overseas, although Tianjin has reported no imported case.

"The hospital is always ready for patients," he added.