... Republic of Zambia, Lusaka, Zambia, 3Clinton Health Access Initiative, Lusaka, Zambia and 4Harvard School of Public Health, Boston, Massachusetts, USAReferences1. Chen L, et al.: Human resources ... forecast the annual number of health workers in the public sector workforce for each cadrebased on the annual inflows and outflows of each cadre in the public sector health workforce. The annual ... to an inadequate supply of profes-sional health graduates [5-7]. Meanwhile, many qualified health professionals migrate abroad to fill more lucrative health positions [7-11]. Others join the...