As of March 13, 2020, a total of 25 Persons Under Investigation (PUIs) have been recorded from January 22 to date in Northern Mindanao, 4 of whom are currently admitted at the Northern Mindanao Medical Center (NMMC), 1 was tested positive, 3 were reclassified as severe acute respiratory infection and 18 were tested negative and discharged, according to DOH-10 regional director Dr. Adriano Suba-an.