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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.

December 5, 2022

Pharmaceuticals and Vaccines
A Guide to Global COVID-19 Vaccine Efforts

The swift development of effective vaccines against COVID-19 was an unprecedented scientific achievement. But production challenges, vaccine nationalism, and new variants have all presented hurdles.

Physician Alister Martin receives one of the first doses of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at Massachusetts General Hospital in Boston, Massachusetts, U.S., December 16, 2020.Craig F. Walker

February 9, 2010

Peru
Peru’s Mineral Wealth and Woes

Peru has avoided the development problems seen in other extraction-dependent economies, but experts say the country faces governance hurdles, especially on the environment.