Quality Assurance of Sputum Microscopy in Dots Programmes: Regional Guidelines for Countries in the Western Pacific

These Regional Guidelines have been prepared to guide both laboratory and national TB programme staff in strengthening quality assurance of sputum smear microscopy. The aim is to improve the quality of the National TB Programme in the Western Pacific Region. The guidance offered here draws on the international guidelines for External Quality Assessment but includes additional information in particular on quality control to ensure routine monitoring of all aspects of laboratory activity.