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August 22, 2022

Infectious Diseases
Why Hasn’t the World Eradicated Polio?

The world is inching closer to eradicating polio, but armed conflicts and opposition to vaccines stand in the way of finally eliminating the disease.

A health worker marks the finger of a child with indelible ink during an anti-polio campaign at an Afghan refugee settlement on the outskirts of Islamabad, Pakistan.

April 7, 2021

Pharmaceuticals and Vaccines
Vaccine Passports: What to Know

Some governments and businesses are starting to use digital and paper passes that certify a person has been immunized against COVID-19, spurring debate over the ethics of vaccine passports.

December 11, 2020

Sub-Saharan Africa
The Future Is African

Projections show that by 2050, Africa’s population will double. By 2100, one in three people on Earth will be African. This means that, by the end of the century, sub-Saharan Africa—which already has…

Podcast Sudanese children walk on a street on July 6, 2016 in eastern Khartoum

September 8, 2022

Health
U.S. Life Expectancy Is in Decline. Why Aren’t Other Countries Suffering the Same Problem?

COVID-19 is contributing to a dramatic decline in the average lifespan of Americans. The drop-off is canceling out decades of public health gains and stretching the gap between the United States and …