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July 1, 2020

Public Health Threats and Pandemics
What Is the Ebola Virus?

Endemic to the African tropics, the Ebola virus has killed thousands in recent years, putting the World Health Organization and major donor countries in the limelight as they’ve grappled with how to …

A health-care worker stands next to a cross during the funeral of a person suspected of dying of Ebola in Beni, Democratic Republic of Congo.

November 1, 2006

Elections and Voting
Nicaragua’s Presidential Elections

Sandinista leader Daniel Ortega leads the polls ahead of November 5 presidential elections and appears on the verge of an extraordinary political comeback. It remains unclear what an Ortega presidenc…

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.

March 7, 2023

Canada
What Is Canada’s Immigration Policy?

With its comparatively open and well-regulated immigration system, Canada remains a top destination for immigrants and refugees.

New Canadians wave the national flag during a citizenship ceremony in Toronto.

March 9, 2022

Oil and Petroleum Products
OPEC in a Changing World

Western leaders have long criticized OPEC’s power to raise oil prices, and the bloc continues to influence the global market even as U.S. oil production has soared and alternative energies have come …

OPEC