25 years of HIV research! ... and what about a vaccine?

Over the past quarter century, colossal progress in our understanding of HIV pathogenesis has been achieved. Yet, we have no solution to the pandemic; the search for an HIV vaccine remains among the highest public health priorities. Identifying correlates of immune protection in humans, inducing effective immunity through immunization, and overcoming virus and host diversity represent the major obstacles in vaccine development. HIV vaccine research discovery may only be at its dawn.