Share The devices have been used recently by the Samdech Techo Voluntary Youth Doctor Association (TYDA) when they tested the vendors at Doerm Kor market. TYDA Page Private clinics, hospitals get nod to use Covid-19 rapid testing devices Thu, 22 April 2021 Minister of Health Mam Bun Heng issued a decision allowing licensed private health services to use rapid Covid-19 testing devices, known as the Rapid Antigen Test for Covid-19, to test samples across the entire country. In a press statement released on April 22, Bun Heng said private health services such as private hospitals, polyclinics, and maternity clinics can start using this effectively from today forward.