Vietnam lengthens quarantine to 21 days
Local health experts said there might be incubation of more than 14 days in some cases.
Local health experts said there might be incubation of more than 14 days in some cases.
The Indian expert has been the third case retested positive after 14-day mandatory quarantine since April 29. The first case was a Vietnamese person while the second was a Chinese man.
Foreigners entering the country must strictly comply with regulations on Covid-19 prevention to ensure safety and not to infect the community.