Achieving a "Grand Convergence" in global health by 2035.

Historical evidence demonstrates the validity of the concept "Grand Convergence". The Lancet commission identified the major challenges facing low and lower middle income countries including the unfinished agenda, non-communicable diseases and injuries and an approach to funding and achieving these objectives along with progress towards universal health care. The role of vaccines is summarized as a major approach to accomplish a Grand Convergence in a generation.