About KNCV Tuberculosis Foundation Challenge TB is USAID’s fourth five year mechanism contributing to the global targets of TB control and the follow on project of TB CARE I. In Ethiopia KNCV Tuberculosis Foundation is the lead partner for Challenge TB. In Ethiopia Management Sciences for Health (MSH) and the World Health Organization (WHO) are collaborating partners in the coalition. Challenge TB will operate from a central office in Addis Ababa and two regional offices, one in Tigray and one in SNNPR.