Synopsis
In the late 1960s, William Foege was running out of smallpox vaccine in Nigeria, and came up with a system called ring vaccination, the last innovation in a long series which contributed to the eradication of smallpox.
Further Information
Similar broadcast resources
The Power of Soap | Extra Life: A Short History of Living Longer
How scientists and doctors finally realised the power of soap in preventing the spread of diseases, and how soap works.
The Discovery of Penicillin | Extra Life: A Short History of Living Longer
The story of how Alexander Fleming accidentally discovered penicillin.