Writing in the Center for Global Development’s “Global Health Policy Blog,” CGD Senior Fellow Mead Over and Research Assistant Rifaiyat Mahbub discuss how better national HIV/AIDS data can play “an important role … in shaping policy.” They write, “Now is the time to dramatically improve [survey] frequency, granularity, and precision as the foundation for improved program implementation. The first step is including this strengthened survey function in estimates of the cost of the future HIV/AIDS response” (4/22).