Medical staff takes testing samples for COVID-19 (Photo: Ministry of Health)

They include one case in Bac Ninh, two in Hoa Binh, two in Gia Lai, four in Hai Duong province, and five in Hanoi, all of which are linked with the hotbed in Hai Duong. The total locally-transmitted cases of COVID-19 in Vietnam so far is 914, including 221 detected from January 27.

Among the active patients, six have tested negative for the SARS-CoV-2 virus once, four twice and three thrice.