The woman died of malignant myeloma, diabetes, sepsis and Covid-19, said Nguyen Truong Son, Deputy Minister of Health.
"Patient 718" was taken to the Da Nang Hospital on August 3 and was immediately quarantined as a suspected Covid-19 case.
A breathing tube was inserted and her blood was artificially filtered continuously starting August 4. She was pronounced dead in the late afternoon of August 5 after doctors failed to resuscitate her.
Results the next day confirmed that she was infected with the novel coronavirus.
On Thursday morning, another 67-year-old woman in Quang Nam Province, which borders Da Nang, also died with Covid-19.
Vietnam’s Covid-19 fatalities so far have fallen in the 53-86 age group and all of them had been suffering long-standing comorbidities including heart failure, cancer, hypertension and diabetes.
The country has recorded 718 Covid-19 cases so far and 327 of them are active.