The detection comes as 85 Iranians arrived in Sri Lanka on a special Iranian flight to work on the Uma-Oya project.
PCR tests were conducted on the Iranians and they were later sent to a quarantine center.
Out of the 10 new Covid-19 cases discovered in Sri Lanka yesterday (16), 04 are the above mentioned Iranian nationals while the rest are Sri Lanka Navy officers.
According to the situation report of the Epidemiology Unit issued at 8.30pm yesterday (June 17), the total number of cases found so far stand at 1915.
In addition, 533 patients are under medical care, 1371 recoveries and 11 fatalities at the moment.