The new infections brought the number of COVID-19 cases detected in the past 24 hours to 6,559, including four imported.
Ho Chi Minh City, the current largest pandemic hotspot of the country, logged most of the cases, with 4,449 infections.
By the afternoon of July 28, Vietnam had logged 118,612 domestic COVID-19 and 2,207 imported cases. The number of locally-transmitted infections since the fourth wave of outbreaks hit the country on April 27 amounted to 117,042.
As many as 4,511 patients were given the all-clear from coronavirus SARS-CoV-2 on July 28, raising the total number of recoveries so far to 27,457.
The Treatment Subcommittee of the National Steering Committee for COVID-19 Prevention and Control said 106 patients died of the disease from July 19-26, including 91 fatalities in HCM City, lifting the country's death toll to 630.
More than 5 million doses of COVID-19 vaccines had ministered. Over 450,000 people have fully got two shots.
By 5pm on July 28, Vietnam's vaccine fund had received VND8,345 billion (around US$362.55 million) contributed by 488,906 organisations and individuals.
