Democratic Republic of the Congo - vector map pavalena/Getty Images/iStockphoto hide caption
disease
Tracking health threats, one sewage sample at a time
A researcher releases a bat after taking samples and inserting a microchip into it in Faridpur, Bangladesh. Fatima Tuj Johora for NPR hide caption
Nipah: Using sticks to find a fatal virus with pandemic potential
Students around the world were challenged to fight disease rumors in a 24-hour hackathon. From left: A proposed pill package featuring a Tanzanian comic character, designed by a team from Boston University. A board game to help teach kids about schistosomiasis created by students from Sharif University of Technology in Tehran, Iran, and the Complexity Science Hub in Vienna. Caroline Pane and Sina Sajjadi hide caption
Women of the Treatment Action Campaign and are affected by the HIV virus campaign for the use of Dolutegravir (DTG) at the International Aids Conference at the RAI Amsterdam Convention Centre. Gareth Fuller/PA Images/Getty Images hide caption
Indonesians independently carry out fumigation in their neighborhood to eradicate the larvae of mosquitoes that cause dengue fever. A new vaccine to prevent dengue may be on the horizon. Aditya Irawan/NurPhoto/Getty Images hide caption
This photo depicts two Haemaphysalis longicornis ticks, commonly known as the longhorned tick. It has been linked to the spread of a hemorrhagic fever in China. The smaller of the two ticks on the left is a nymph. The larger tick is an adult female. Science Source hide caption
Sara, a 10-year-old at al Thawra hospital in Hodeidah, Yemen, is half paralyzed by diphtheria, an illness that can be prevented by vaccination. She subsequently had to leave the hospital because of the violence. UNICEF/Touma/Yemen/2018 hide caption
Veterinarian Karen Chandler works quickly to castrate young male calves. Esther Honig/Harvest Public Media hide caption
Plaques located in the gray matter of the brain are key indicators of Alzheimer's disease. Cecil Fox/Science Source hide caption
Scientists Push Plan To Change How Researchers Define Alzheimer's
Patrick States slices into a venison steak at his home in Northglenn, Colo. Officials are asking hunters to have their kills tested before consuming the meat. Sam Brasch/Colorado Public Radio hide caption
The threat of citrus greening disease in California has prompted scientists to freeze cuttings to help preserve the state's many varieties of citrus. Scott Bauer/USDA/ARS hide caption
A colored enhanced scanning electron micrograph of Burkholderia pseudomallei. These motile bacteria are the cause of melioidosis, a tropical disease spread through contaminated water and soil. The bacteria can infect the skin, causing inflammation and muscle aches, or the lungs, causing chest pain, cough and in some cases pneumonia. Eye of Science hide caption
Unseasonable warm weather has made for a longer lobstering season for fishermen in Maine. Robert F. Bukaty/AP hide caption
Adama Sankoh, 40 (center), who contracted Ebola after her son died from the disease late last month, stands with health officials the moment after she was discharge from Mateneh Ebola treatment center outskirt of Freetown, Sierra Leone. Alie Turay/AP hide caption
Chronic fatigue syndrome has been a controversial name and a controversial diagnosis. Erica Shires/Corbis hide caption
A vigil is held against violence in Cali, Colombia. The country has seen some 1,090 homicides this year. Luis Robayo/AFP/Getty Images hide caption
Hotspots show where the common cold is popping up across the U.S. via Sickweather hide caption
A sign in Abidjan, Ivory Coast's capital, warns residents that "the Ebola threat is real." Issouf Sanogo/AFP/Getty Images hide caption
Government health workers administer blood tests to check for the Ebola virus in Kenema, Sierra Leone, June 25. Reuters/Landov hide caption