Negative coronavirus rapid test results still imply transmission risk: Hanoi mayor
The Hanoi mayor said that though the 72,000 people were tested quickly and got negative results, there is a strong probability of undetected Covid-19 infection.
08:49, 2020/04/18
April 17: Vietnam reports no new coronavirus cases, 22 convalescents
Despite no new cases detected in the day, local authorities uphold vigilance on the pandemic.