The World Health Organization Supranational TB Reference Laboratory Network (SRLN) has served as the backbone for TB drug-resistance surveillance and diagnosis since 1994 and remains a key WHO programme for antimicrobial resistance (AMR) surveillance at the global level. SRLN is a great technical resource for proficiency testing to ensure accuracy of drug-susceptibility testing, scale-up, capacity development in countries and provides unique support to the reliable detection of drug resistance. Technical assistance from individual SRLs has been supported by a variety of mechanisms but funding for the SRLN has become increasingly challenging.
Keywords: Drug susceptibility testing; Quality assurance; Tuberculosis; WHO TB supranational reference laboratory.
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