MARAWI CITY, Lanao del Sur: Dr. Chrismar Mocorro, officer-in-charge of Surigao del Norte Provincial Hospital, said that one of the 87 returning Surigaonon students of Mindanao State University have tested positive for the coronavirus disease 2019 (Covid-19) based on the results of Rapid Antibody Tests. He added that the student from Surigao was placed on quarantine at the Provincial Community Training Center in Bad-as Placer, Surigao del Norte. The patient is scheduled for swabbing for reverse transcription polymerase chain reaction at Caraga Regional Hospital on May 23 for confirmatory test.