There is no question that progress over the last several decades has saved millions of lives and reduced the burden of disease in the world’s poorest countries. Wider distribution of new and existing vaccines and drugs, access to basic health services for women and children, and improvements in water and sanitation have put a growing number of countries on a path to better health and related socioeconomic outcomes.
As recently as 1967, an estimated 2 million people were dying annually from smallpox. With the development of an effective vaccine and worldwide immunization campaign, the disease was eradicated by 1979.
Mundel T. Smart AidA Catalytic Converter. JAMA Intern Med. 2014;174(6):888-889. doi:10.1001/jamainternmed.2014.77