Of the 19 community infection cases, 14 are in the northern province of Hai Duong, four in northern Quang Ninh province, and one in the Central Highlands province of Gia Lai.
Most of the cases were linked to the latest outbreaks in Hai Duong and Gia Lai.
The imported patient, meanwhile, travelled from Japan to Vietnam and was put under quarantine right upon arrival at the Da Nang International Airport. He is now quarantined and treated at the Quang Nam Central General Hospital.
As such, the number of community cases since January 27 has reached 329, bringing the total number of patients infected locally to 1,022.
Of the total 1,911 infections in Vietnam so far, 1,461 have been given the all-clear, while the death toll remained at 35.
Among those still under treatment, three have tested negative for coronavirus SARS-CoV-2 once, seven twice and two thrice.
Meanwhile, 48,829 people who had close contact with COVID-19 patients and possible patients or arrived from pandemic-hit areas are being quarantined nationwide, including 378 in hospitals, 22,610 in state-designated establishments and the remainders at their residences.