They were the 117th, 118th, 122nd, and 154th cases detected and all are Vietnamese nationals, with three being women aged 23 or 24 together with a 30-year-old man.
They tested negative for COVID-19 at least twice and will be given follow-up health checks two weeks from now.
As at the morning of April 6, Vietnam had 241 COVID-19 cases, with 150 returning from abroad, accounting for 62 percent. Of these, 109 were sent to quarantine facilities nationwide upon arrival./.
VNA/VNP
