Army Commander and Head of the National Operation Centre for the Prevention of Covid-19 (NOCPCO) Lt. Gen. Shavendra Silva during the daily briefing yesterday (10) said that out of the 12 persons who tested positive for the Coronavirus on Saturday, 10 were navy personnel and the other two were those who had contact with the infected persons, but currently in quarantine. Accordingly, by Saturday night there were 578 persons receiving treatment at various hospitals.