MUNTINLUPA CITY—Given the complexity of conducting polymerase chain reaction (PCR) testing of suspected COVID-19 cases, the Department of Health-Research Institute for Tropical Medicine (DOH–RITM) reiterates that molecular diagnostics laboratories to be established by local government units (LGUs) and other interested parties must first undergo proper evaluation and proficiency tests. RITM Director Celia Carlos highlighted that conforming to biosafety principles is a precondition to continue reading : Assessment of testing labs crucial for COVID-19 results accuracy