• ADDO stands for Accredited Drug Dispensing Outlets, a program that was established in 2003 to improve access to essential medicines and pharmaceutical services to the population living in rural and peri-urban areas. The assessment of the situation of need of essential medicines to people living in rural areas evolved with the inception of ADDO program which started as a pilot project. Ruvuma was the region out of (the then) 21 regions that was identified to host the project.