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.

As Nigeria suffers from the coronavirus crisis and shrinking oil revenue, security forces will be further strained in their fight against the jihadi group.

Fires in the Amazon have aroused international concern because of the rain forest’s outsize impact on climate, but political tensions are hampering the response.