Cases are on the rise, with a new, faster-spreading strain turning up in several countries – and California. Here’s the long-term outlook.

Also in the Global Health Checkup: Bird flu in Europe, Fiji free of trachoma, Rift Valley Fever in Senegal, and what happens when malaria aid is cut.

Also in the Global Health Checkup: Severe hunger, biodiversity loss, the global funding gap, and a tuberculosis comeback.

Efforts to contain Ebola in the Democratic Republic of Congo may show that the WHO and Red Cross can rally new sources of emergency aid in absence of U.S. But is that a long-term solution?

The chikungunya virus is spreading beyond the tropics, including in New York. People are dying of malaria after U.S. cuts in Cameroon aid. Here's what to know.

Also in the Global Health Checkup: Food poisoning in Indonesian school lunches, more on Ebola in Congo, a tiny sandfly parasite, and the odds of another pandemic.

This report will help cut through the dense world of disease outbreaks and global health policy to pull out what truly matters and why.