Cost-Effectiveness of a Blended Learning Training Approach for Health Care Workers Conducting HIV Index Case Testing in Malawi: Secondary Economic Analysis of a Cluster-Randomized Controlled Trial - Poonam Rawat; Nora E Rosenberg; Katie R Mollan; Tapiwa A Tembo; Dhrutika Vansia; Jiayu Wang; Mike J Chitani; Maria H Kim; Ireen Chirombo; Caroline Kumbuyo; Victor Mwapasa; Katherine R Simon; et al. (JMIR Medical Education, 2026)