The Invisible Shield
The Origins of Cholera
Steven Johnson describes the origins of cholera and how interventions stopped the spread.
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The Invisible Shield
Sponsorship
The Invisible Shield
Cholera and the Modern Public Health System
How the 1854 cholera outbreak led to the birth of the modern public health system.
The Invisible Shield
Life Expectancy
Historians and public health practitioners talk public health's impact on life expectancy.
The Invisible Shield
The Invisible Shield
Public health saved your life today and you don't even know it.