Two of the patients are Brazilian citizens who were closely linked to Buddha Bar – a coronavirus hotspots in Ho Chi Minh City, health authorities said on April 27.
They were placed under quarantine at home after being discharged from hospital on April 18 and 20. During their 14-day quarantine period, health professionals took their samples for retesting with the results coming back positive.
The two were immediately transferred to Cu Chi field hospital in Ho Chi Minh City for further observation and treatment.
The third patient is a Vietnamese citizen who was exposed to the deadly SARS-NoV-2 virus again 15 days after making a full recovery and being released from hospital.
The 23-year-old man, who returned to Vietnam from COVID-19 hit France, lives in Phu Tho province.
Like other recovered patients, he was required to self-isolate at home for 14 days and showed no flu-like symptoms. However, later tests indicated he had acquired the virus again.
The patient was sent to the Central Hospital of Tropical Diseases for monitoring and treatment again.
He was said to have stayed at home and contacted only three people in the family during the 14-day quarantine period. Three of his relatives tested negative, but they were all sent to a quarantine facility for observation.
Earlier, the Ministry of Health also announced five other patients had relapsed again after a full recovery.
