Three more Vietnamese have tested positive again for the coronavirus after a full recovery, Vietnam News Agency reported on Monday.
The total number of COVID-19 patients retested positive after recovery in the country has reached eight as of Monday.
The news agency reported that the three patients included one Vietnamese citizen and two Brazilians, who had recovered earlier.
Vietnam has reported a total of 270 confirmed COVID-19 cases, with 222 patients cured.
There have been no deaths in the country so far, according to the Ministry of Health.