Other gaps in protection against the highly contagious disease include access to hard-to-reach clinics and ‘social determinants of vaccination.’

Marco Rubio praises the ‘America First’ agreement as a new approach. How old challenges play out remains to be seen.

With large donor countries – especially the U.S. – pulling back, a global development think tank has a new idea for funding programs that fight AIDS, tuberculosis, and malaria.

The heart of the guidance is not a list of shiny new, expensive programs. Instead, it is a dramatically unsexy push to make health systems more flexible and more anticipatory.

Eli Lilly is building a new plant in the Netherlands to produce a pill form of its popular Mounjaro injection. About two-thirds of the world’s 1 billion obese adults live outside the developed world. Will they be able to get the medicine?

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.