Patients are treated at an Army ward in Kansas during the influenza epidemic of 1918. About 675,000 Americans died of the flu known as "la grippe." NYPL/Science Source/Getty Images hide caption

Goats and Soda
STORIES OF LIFE IN A CHANGING WORLDInfectious Disease
Friday
Wednesday
"They have forgotten us ... and many are still really suffering," says Ebola survivor Haja Bah. James Courtright for NPR hide caption
Tuesday
A mosquito's antenna responds to odors. Scientists are trying to figure out how the malaria parasite might trigger a change in body odor that draws in mosquitoes that carry the disease, like the Anopheles skeeter pictured above. BSIP/UIG/Getty Images hide caption
Saturday
Photomicrograph of human hookworm rhabditiform larva in its early noninfectious stage, 1979. Image courtesy CDC. Smith Collection/Gado/Getty Images hide caption
Thursday
The female Anopheles mosquito is a spreader of malaria. Smith Collection/Gado/Getty Images hide caption
Monday
Suspicious travel companions: Bacteria can survive for days on surfaces inside a plane. But that doesn't mean you have to take these critters home with you. Benjamin Arthur for NPR hide caption
This banner is displayed at the Institute of Lassa Fever Research and Control in Irrua Specialist Teaching Hospital in Irrua, Edo State, midwest Nigeria. Pius Utomi Ekpei/AFP/Getty Images hide caption
Friday
Blue methylene dye is used in labs to stain cells and sold in pet stores to treat tropical fish for fungal infections. It has anti-malarial properties as well. Jay Reed/NPR hide caption
Saturday
By mid-January, there had been nearly 5,000 reported cases of diphtheria in the camps and 33 deaths. Allison Joyce for NPR hide caption
Rare Disease Finds Fertile Ground In Rohingya Refugee Camps
Tuesday
Researchers are working on a new way to deliver anti-HIV drugs. A six-pointed device (artist's rendering, above) folds up to fit inside a capsule. One swallowed, the capsule dissolves and the device opens up and slowly dispenses the medication. Partners Healthcare / Screenshot by NPR hide caption
Friday
Children get their diphtheria inoculation in 1944. Kurt Hutton/Getty Images hide caption
Tuesday
A girl is vaccinated against dengue as part of a public immunization program for children in the Philippines. The program was suspended after the company raised safety concerns about the vaccination. Dondi Tawatao/Getty Images hide caption
Friday
Twesigye Jackson Kaguri, in the blue T-shirt on the roof, helps build a home for a grandmother supported by his HIV/AIDS nonprofit in rural Uganda. Matt Stauble hide caption
Sunday
A municipal worker sprays disinfectant during the clean-up of a market in Madagascar's Anosibe district — a measure to fight the outbreak of bubonic plague, which can be spread by a flea bite. RIJASOLO/AFP/Getty Images hide caption
Thursday
Rat traps are a weapon behind used to fight the plague in Madagascar, since the rodents carry the disease. But getting rid of all the rats would be difficult — and without rats, plague-infected fleas could then turn to humans for a blood meal. RIJASOLO/AFP/Getty Images hide caption