WALTHAM, Massachusetts, July 15 -- The New England Journal of Medicine, a peer-reviewed medical journal from the the Massachusetts Medical Society that says it delivers research and interactive clinical content to physicians, educators and the global medical community, published research articles on the following topics in its July 15, 2021 edition: Perspective: * Scaling Up Covid-19 Vaccination in Africa -- Lessons from the HIV Pandemic Original Articles: * Physical Rehabilitation for Old  more