Northeast China's Heilongjiang Province reported seven asymptomatic COVID-19 cases on Tuesday in Qiqihar City, according to local officials.
Three of the new cases were detected among those who came to Qiqihar from Suihua City, where a coronavirus outbreak was reported over the weekend, and four others were the new cases' close contacts, officials said.
Copyright © 2020 CGTN. Beijing ICP prepared NO.16065310-3