TIANJIN, Nov. 20 (Xinhua) -- Authorities will conduct nucleic acid tests for all residents in the Binhai New Area in north China's Tianjin Municipality, starting on Saturday morning.
The tests will take two to three days. The costs will be covered by the local financial department, according to the local headquarters on the prevention and control of COVID-19.
Four new locally transmitted COVID-19 cases were confirmed in Tianjin on Friday, local authorities said.
Among the four patients, three are residents from the Kanhaixuan residential community in Tianjin's Binhai New Area, and the other one is a community staff member, according to the city's center for disease control and prevention.
The Kanhaixuan community was classified as a high-risk area for COVID-19 starting from 2 a.m. on Friday, said Gu Qing, deputy director of the Tianjin municipal health commission.
This community has reported a total of five confirmed locally transmitted COVID-19 cases and three asymptomatic carriers since Nov. 10.
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