People take nucleic acid testing in Manzhouli city, north China's north China's Inner Mongolia Autonomous Region, Nov. 28, 2021. (Photo/China News Service)
The border city of Manzhouli, north China's Inner Mongolia Autonomous Region, reported 19 locally transmitted COVID-19 cases from 12 a.m. to 4 p.m. on Sunday, local authorities said.
Among them, two were registered as asymptomatic cases previously. The city also reported an asymptomatic case during the period, officials with the municipal government told a press conference.
Manzhouli launched city-wide nucleic acid testing at 8 a.m. Sunday and aims to complete it by 8 a.m. Monday.
A total of 630 people are now under medical observation, according to Song Jixiang, vice mayor of Manzhouli.