All the eight cases in Hai Duong are people who had already been quarantined. They are being treated at field hospitals in the northern province.
The five imported cases are those entered Vietnam through the Ha Tien international border gate in the Mekong Delta province of Kien Giang last Thursday and Friday, and were quarantined on entry. Sunday test results confirmed they were positive for the virus.
With 16 patients declared free of Covid-19 Monday, the number of active cases stands at 530.
The country has recorded 857 community transmissions in 13 localities since the third Covid-19 outbreak began on January 28 after a 55-day clean streak.
Hai Duong remains the biggest hotspot with 673 cases, followed by Quang Ninh (61) and HCMC (36). Ten of the 13 localities haven’t recorded any new community transmissions in the past 15 days.
With the latest cases, the nation’s Covid-19 tally has increased to 2,461with 1,892 recoveries and 35 deaths.