The 43 domestically-transmitted cases, including 22 in Bac Giang, six in Bac Ninh and 15 in Ho Chi Minh City, were all detected in quarantined or locked-down areas.
The imported case has been sent to quarantine right upon arrival in the central province of Quang Nam.
To date, Vietnam has found 7,445 domestically-transmitted and 1,582 imported cases. The number of cases detected since April 27 when the fourth wave of the pandemic began in the country is 5,875.
The number of recoveries is 3,509, while the number of fatalities stands at 53.
Among patients undergoing treatment in medical establishments, 216 tested negative for SARS-CoV-2 once, 72 twice and 75 thrice.
There are currently 176,398 people who had close contact with confirmed patients and entered the country from pandemic-hit regions under quarantine at hospitals, concentrated quarantine facilities or residences.
On June 7, 87,016 additional COVID-19 vaccine shots were injected, raising the total delivered vaccine doses as of 4pm the same day to 1.34 million, with 38,166 people receiving full two shots.