Among the new cases, ten were in Da Nang, four in Quang Nam and two in Quang Tri.
The number of cases related to the outbreak in Da Nang since July 25 has reached 405.
A total of 399 COVID-19 patients have been given the all-clear, but fatalities have climbed to 16.
There are 165,983 people having close contact with confirmed cases or coming from pandemic-hit areas under quarantine at present.
* A COVID-19 patient, who also suffered from diabetes type 1, long-time debilitation and heart failure, died in the morning of August 11, becoming the 16th fatality in the country.
Deputy Health Minister Nguyen Truong Son said the 37-year-old man from the central province of Quang Tri was receiving treatment at the Quang Tri hospital for TB and lung disease when he tested positive for SARS-CoV-2 on August 9.
He was moved to the COVID-19 treatment centre in Hue Hospital on August 10 due to debilitation, weighing only 30kg.
Doctors attributed his death to serious pneumonia caused by COVID-19 in a patient with diabetes type 1, long-time debilitation and heart failure.
