A World Health Organization medic prepares a vaccination dose for a front-line aid worker earlier this year in the small town of Mangina, Democratic Republic of Congo. Four Ebola response workers were killed and six others injured in two attacks overnight — one in Mangina and the other in Biakato Mines. Al-hadji Kudra Maliro/AP hide caption
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President Evo Morales at the inauguration of new buildings in a housing project in 2016. The Indigenous Aymara artist Roberto Mamani Mamani painted murals over a building facade. Marcelo Perez Del Carpio/Anadolu Agency/Getty Images hide caption
Carrying her baby in a pouch on her back, Susan Enoogoo, 39, hunts for ringed seal on the sea ice near Arctic Bay, Nunavut. Inuit mothers often carry their baby when hunting. If a seal surfaces, Enoogoo tries to snag it with the hook she's holding and drag it out of the water. Acacia Johnson for NPR hide caption
Ronald Mutyaba, an auto mechanic, at his home in Kampala, Uganda. Mutyaba is HIV positive and has developed Karposi sarcoma, a type of cancer that often affects people with immune deficiencies. He is holding a bottle of the liquid morphine that nurses from the nonprofit group Hospice Africa have prescribed to help control the pain caused by his illlness. Nurith Aizenman/NPR hide caption
An employee walks past a power plant's electricity pylons in Lagos, Nigeria. Power shortages are particularly a problem for Nigeria's booming tech industry, which accounts for nearly 14% of the country's GDP. Georgie Osodi/Bloomberg/Getty Images hide caption
Aedes aegypti mosquitoes infected with the Wolbachia bacterium, which appears to block transmission of dengue fever and other mosquito-borne viruses. Dado Galdieri/Bloomberg/Getty Images hide caption
Sandra King Young runs Medicaid in American Samoa, a U.S. territory that faces dramatic funding cuts to islanders' health care unless Congress acts. "This is the United States' shame in the islands," she says. Selena Simmons-Duffin/NPR hide caption
Daniela Ligiero is CEO of Together for Girls, an organization that works to prevent violence against children. She was sexually abused as a child but kept silent until a made-for-TV movie gave her the courage to speak out. Catie Dull/NPR hide caption
A German toilet suggests "Please help us divide" — although doesn't it all end up in the same place at the end of the day? king of monks/Flickr hide caption
Gabriel Toto is a bayakou, or latrine cleaner, in Haiti. Marie Arago for NPR hide caption
Photo taken Sun., Aug. 28, 2016. A health official inks a child finger to indicate she has been administered with a polio vaccine at a camp of people displaced by Islamist extremist in Maiduguri, Nigeria. Sunday Alamba/AP hide caption
Ugali, a staple starch in many parts of Africa, is filling but lacking in micronutrients. Julia Gunther for NPR hide caption
Students cover their faces with masks to protect themselves from air pollution in Delhi. Raj K Raj/Hindustan Times/Getty Images hide caption