Evidence from participatory research on community health systems for HIV treatment and support in East and Southern Africa Synthesis of participatory research in Zimbabwe, Mozambique, Tanzania, Namibia, Malawi and Botswana F Machingura, R Loewenson, K Chikaphupha, A Loforte, K Matengu, L Seleke and ET Mallya Training and Research Support Centre (TARSC) in the Community-Based Systems in HIV Treatment (CoBaSys) programme July 2012 With support from European Commission in the ACP Science and Technology Programme Community based system in HIV treatment