73 out of 91 local infections were detected in isolation or lockdown areas.
Most cases in the northern provinces of Bac Giang and Bac Ninh are associated with outbreaks in quarantined areas and industrial parks, while those in other localities are F1 contacts of previously confirmed patients.
Among 30 cases in Ho Chi Minh City, 29 are identified as F1 cases, and one is under epidemiological investigation.
One day earlier, Vietnam recorded a total of 293 domestic COVID-19 cases, including 95 in Ho Chi Minh City, with the majority of fresh cases detected in HCM City Hospital for Tropical Diseases.
The number of recoveries rose to 3,998 after a further 171 coronavirus patients were discharged from hospital after making a full recovery from the virus on June 13, while the number of fatalities now stands at 59.
So far, more than 1,498,320 million people have been vaccinated against COVID-19, mainly frontline workers in the COVID-19 fight, including healthcare workers at local hospitals. Of these, more than 55,260 have received the prescribed two doses.
An additional 43,222 people were inoculated against COVID-19 on June 13 alone in 19 provinces and cities throughout the nation.
The country has recorded a total of 7,423 local cases in 39 cities and provinces in the latest COVID-19 wave beginning from April 27.
It is worth noting that 22 localities have gone at least 14 days without any new COVID-19 case.