Tanks, armored vehicles, and military machinery belonging to the Israeli army withdraw from the central Gaza Strip on April 17, 2024. (Photo by Mostafa Alkharouf/Anadolu via Getty Images)
A man holds up a sign demanding that soldiers from the United States Army leave Niger without negotiation during a demonstration in Niamey, Niger, on April 13, 2024. (Photo by AFP via Getty Images)
Medical laboratory scientist, Aniela Sobel, tests serology samples from the Novavax phase 3 Covid-19 clinical vaccine trial at the UW Medicine Retrovirology Research Lab at Harborview Medical Center on February 12 (Photo by Karen Ducey/Getty Images)
Researchers at the UW Medicine Retrovirology Research Lab at Harborview Medical Center work on samples from the Novavax phase 3 Covid-19 clinical vaccine trial on February 12, 2021 in Seattle, Washington