“…GECo (Global Excellence in COPD Outcomes) is a multinational study that was aimed at investigating the diagnostic accuracy of case finding for COPD using a questionnaire with or without peak flow meter versus gold standard spirometry (GECo-1) ( 8 ) and the effectiveness of a multifaceted intervention comprising a self-directed COPD action plan delivered and supported by CHWs for the management of COPD exacerbations (GECo-2) ( 7 ). The study was conducted in Peru, Uganda, and Nepal and reported a COPD prevalence of 2.7%, 7.4%, and 18.2%, respectively.…”