Indigenous health care workers treat patients last week at a campaign hospital set up in the Parque das Tribos neighborhood of Manaus, Brazil. Oxygen shortages at hospitals in Brazil's Amazon prompted authorities to airlift patients to other states. Jonne Roriz/Bloomberg via Getty Images hide caption
World Health Organization Director-General Tedros Adhanom Ghebreyesus was one of many global health leaders who spoke bluntly about the coronavirus pandemic at annual meetings that conclude on Tuesday. Discussing the lack of priority given to vaccines for poor countries, he stated, "The world is on the brink of a catastrophic moral failure." Fabrice Coffrini/AFP via Getty Images hide caption
A woman walks in a park along Yangtze River in Wuhan on Jan. 19, 2021. Residents of the city of 11 million, which was the first epicenter of COVID-19, have conflicting emotions as they reckon with the aftermath of the virus and their 76-day lockdown. Hector Retamal/AFP via Getty Images hide caption
South Korea's KF94 mask does a good job concealing the Mona Lisa's smile — but how effective is it at preventing coronavirus spread? Here, masked pedestrians stroll through a shopping district in Seoul. Chung Sung-Jun/Getty Images hide caption
Adult hookworms from a dog. The larvae, which penetrate the skin, are even smaller. Agency-Animal-Picture/Getty Images hide caption
Workers check oxygen tanks at a hospital in Manaus, Brazil. Severe oxygen shortages as a second coronavirus wave is surging have prompted local authorities to airlift patients to other parts of Brazil. Jonne Roriz/Bloomberg via Getty Images hide caption
An official has a blood pressure test before receiving the Sinovac coronavirus vaccine, developed in China, at a hospital in Banda Aceh, Indonesia, on January 15. Chaideer Mahyuddin/AFP via Getty hide caption
Paola Osman, a second year resident at the Hospital San Martin in La Plata, Argentina, just got vaccinated with the Sputnik V vaccine from Russia. Anita Pouchard Serra for NPR hide caption
London sends a message about how to reduce the risk of exposure to the newly detected U.K. variant. Tolga Akmen/AFP via Getty Images hide caption
The question of what to call the "developing world" is a developing debate. Jing Wei for NPR hide caption
Shaista sits in her tiny home on the outskirts of Kabul. Her youngest, a 3-year-old girl, sits on her lap; some of her other seven children sit beside her. Behind them, she is boiling a pot of water on the wood-burning stove. But she's told the children it is dinner, and she tells them, "just wait for your father." Then she hopes they'll fall asleep, because there's no food to give them. Diaa Hadid/NPR hide caption
Volunteers and health officials hold a dry run for the coronavirus vaccine at a hospital in Allahabad, India. There's concern that drug patents will keep lower income countries from getting the doses they need in a timely fashion. Sanjay Kanojia/AFP via Getty Images hide caption
Students rehearse a poem that they will recite at an event advocating against female genital mutilation at the Imbirikani Girls High School in Kenya. Siegfried Modola/Reuters hide caption
Chinese travelers at a railway station in Beijing, China, wear face masks to protect themselves from the new coronavirus on Jan. 21, 2020. The virus was first identified in Wuhan, China, in Dec. 2019, and since then has quickly spread worldwide. Kevin Frayer/Getty Images hide caption
Field hockey star Sarita Bhise (right) with her mother (far left) and maternal aunt, cleaning onions they've harvested on the family farm. Ananda Bhise hide caption