(Photo: Dinh Hang/VNA)

Most of them were frontline medical workers, members of community healthcare groups, or the National Steering Committee.

Vietnam recorded no new cases of COVID-19 on Monday morning, keeping the national tally at 2,631.

The Ministry of Health says 910 cases have been detected since January 27, when the third wave of COVID-19 hit Vietnam.

2,400 patients have fully recovered. The number of COVID-19 fatalities remains 35.