A baby helps make history. The Kenyan child is receiving the new malaria vaccine — the first ever that can wipe out a parasite — as part of a clinical trial. Karel Prinsloo/AP hide caption
Fake medicines are a 21st-century scourge, but they've been around for a long time. This advertising trade card for snake oil was printed in New York City around 1880. Transcendental Graphics/Getty Images hide caption
The effects of malaria in the brain are clear: A healthy brain, right, has many grooves and crevices. But when the brain swells up, left, these crevices smooth out. Courtesy of Michigan State University hide caption
A mother holds her ailing son at a special clinic for malaria in Myanmar. Paula Bronstein/Getty Images hide caption
The long-tailed macaque carries a virulent strain of malaria that is responsible for an increasing number of human infections in Malaysia. Shankar S./Flickr hide caption
Poet Cameron Conaway (left, in gray cap) visits malaria-hit areas in the Chittagong Tract Hills, Bangladesh, in June 2012. Courtesy of Cameron Conaway hide caption
Researchers download images after a drone flight in Sabah, Malaysia. Courtesy of Trends in Parasitology, Fornace et al hide caption
Do you know what the deadliest disease is? Hint: It's not Ebola (viral particles seen here in a digitally colorized microscopic image, at top right, along with similar depictions of other contagious diseases) NPR Composite/CDC hide caption
All folded up and ready to magnify: The Foldscope weighs less than two nickels, is small enough to fit in your back pocket and offers more than 2,000-fold magnification. TED/YouTube hide caption
Yonta, 6, rests with her sister Montra, 3, and brother Leakhena, 4 months, under a mosquito net in the Pailin province of Cambodia — an epicenter of drug-resistant malaria. Paula Bronstein/Getty Images hide caption
Cross-word Puzzle Composite by Ryan Kellman/NPR hide caption
Nick Stadlberger in Africa. Courtesy of Nick Stadlberger hide caption
Red blood cells infected with the Plasmodium falciparum parasite. Plasmodium is the parasite that triggers malaria in people. Gary D. Gaugler/Science Source hide caption