Description : A policeman wearing a protective mask stands guard at a checkpoint in Barangay Kalusugan, Quezon City after the area behind St. Lukes Hospital was sealed off. Kalusugan is one of four barangays in Quezon City placed under ???extreme enhanced quarantine??? following a surge of COVID-19 cases there. The other barangays are Tandang Sora, Matandang Balara, and Payatas. Philippines.