Nurith Aizenman

The U.S. has pulled back funding for global vaccinations. Some countries — like Brazil — don't need the help. Vaccination rates remain low in other countries such as Iraq due to issues of mistrust.

From the start of the war in Ukraine, food policy experts have worried that a hunger crisis could be in the making, given how important Ukraine and Russia are to global food supply.

Two years after the World Health Organization declared the COVID outbreak a pandemic, the vaccination rate in poor countries remains well below global targets. But do those targets still make sense?

Both countries are huge suppliers of grains and other essential foods. And with widespread hunger and high food prices already, the war couldn't have come at a worse time.

The war in Ukraine is pushing up already record-high food prices around the world — threatening the lives of millions of people in poor countries struggling with hunger. Here's why it's not hopeless.

Known for his efforts to improve global health and as the founder of the nonprofit health organization Partners in Health, Farmer died in Rwanda at age 62.

Dr. Paul Farmer, a global health champion, Harvard Medical School professor, anthropologist and co-founder of the nonprofit health organization Partners in Health, has died at age 62.

New findings from Malawi suggest the country has entered something akin to the endemic stage of the pandemic — along with many other African nations.

In the United States there's lots of discussion about when the coronavirus will finally become endemic the way colds are. But African scientists say that may have already happened on their continent.

COVAX was set up to enable global access to vaccines against COVID. Yet nearly 80 countries will miss a target of vaccinating 40% of their populations by year's end. Here's what went wrong.

With Omicron surging, the U.K.'s government is hoping to stave off hospitalizations and deaths through a massive effort to administer vaccine boosters. But the strategy faces major hurdles in the U.S.

How did this new strain of the coronavirus evolve? Researchers are investigating various possibilities. One leading theory involves ... just one person.