A woman in Nairobi, Kenya, who is HIV positive takes antiretroviral pills, which suppress the virus. The U.S. program PEPFAR is instrumental in providing these life-saving medications around the world. Donwilson Odhiambo/SOPA Images/LightRocket via Getty Images/LightRocket hide caption
The sign at Centers for Disease Control and Prevention headquarters in Atlanta, Georgia. The CDC is tasked with protecting the public's health. Nathan Posner/Anadolu Agency via Getty Images hide caption
The front of the U.S. Agency of International Development headquarters in Washington, D.C. The agency funds projects that aim to alleviate poverty and disease and serve humanitarian needs around the world. A round of layoffs this week terminated nearly 400 contract employees. J. David Ake/Getty Images hide caption
A clinic in Johannesburg, South Africa, disperses anti-HIV medications. Its work has been supported by the U.S. PEPFAR program. The Trump administration has now put PEPFAR funding — and activities — on hold. Foto24/Gallo Images via Getty Images/Gallo Images Editorial hide caption
The Department of Health and Human Services is a powerful force in shaping both domestic and global health. The confirmation hearing for President Trump's nominee, Robert F. Kennedy Jr., commences on January 29. J. David Ake/Getty Images hide caption
The United States Agency for International Development is the federal agency that administers foreign aid and development assistance. Celal Gunes/Anadolu Agency via Getty Images/Anadolu Agency via Getty Images hide caption
This monument to people who died of AIDS is in Kyiv, Ukraine. That's one of the countries where the U.S. program PEPFAR has invested millions of dollars to provide testing and medicines to prevent and treat HIV/AIDS. Yevhenii Zavhorodnii/Global Images Ukraine via Getty Images hide caption
Luis Cassiano is the founder of Teto Verde Favela, a nonprofit that teaches favela residents in Rio de Janeiro, Brazil, how to build their own green roofs as a way to beat the heat. He's photographed at his house, which has a green roof. Ian Cheibub for NPR hide caption
MSI Reproductive Services, a nonprofit group, lost U.S. funds during the first Trump administration because they would not abide by the Mexico City policy, which cut off American aid to groups that discuss or provide abortion services. Above: A 19-year-old woman talks with a nurse at a traveling contraception clinic in eastern Madagascar run by the group. Sam Reinders for NPR hide caption
After being inaugurated for his second president term, President Donald Trump has frozen virtually all U.S. foreign aid and issued a "stop work" order for groups in other countries that are funded by the U.S. government. Above: At the start of the pandemic, members of the Honduran Armed Forces carry a box containing diagnostic kits to test for COVID-19, donated by the United States Agency for International Development and the International Organization for Migration. Orlando Sierra/AFP via Getty Images/AFP hide caption
A poster of Taliban Supreme Leader Hibatullah Akhundzada is seen along a road in Kabul. He is one of two leaders named in proposed arrest warrants for their treatment of girls and women since taking power in 2021. Wakil Kohsar/AFP via Getty Images/AFP hide caption
The logo of the World Health Organization at the entrance of its headquarters in Geneva. The U.N. agency is funded by a combination of assessed contributions from its nearly 200 member states as well as voluntary contributions from member states, philathropic foundations and private donors. Fabrice Coffrini/AFP/Getty Images hide caption
The World Economic Forum meets every January in Davos, Switzerland, to talk about ways to improve life on earth. This year's topics include climate change, artificial intelligence — and taxing the very very rich. Fabrice Coffrini/AFP via Getty Images hide caption
On the first day of his second presidential term, President Trump announced his intention to terminate U.S. membership in the World Health Organization. Fabrice Coffrini/AFP via Getty Images hide caption
