Campaigns to vaccinate Latin America against COVID-19 have sparked debate about the region’s dependence on outside suppliers, including China and Russia, and the threat of new variants.

A group of international health experts found in 2019 that the world wasn’t ready for a pandemic. This year’s coronavirus outbreak has shown they were right.

Beijing’s new national security legislation could effectively end Hong Kong’s promised semiautonomy.

The summit will feature the highest-profile talks in years on the war between Ukraine and Russia-backed separatists, but the parties will have to bridge major divides to find a permanent end to the c…

The Delta variant is driving new COVID-19 surges, even as countries around the world make gradual progress in vaccinating their populations. Five graphics show how the strain is taking over and who’s…