The Executive Director and CEO of the National Primary Healthcare Development Agency, Dr. Muyi Aina says work has begun to double the number of fully operational primary health care facilities in Nigeria to over 17, 600 within the next four years. In a chat with CNBC Africa, he says revitalizing the primary healthcare systems is part of key priorities while addressing issues of infrastructure, medical staff training and overall welfare, moves needed to improve the improve quality of healthcare services.