Jul 18, 2014 — An Ebola survivor ran to the front of the room where community health workers were meeting in Sierra Leone. Everyone applauded. It was a moment of joy in a grim time.
Jul 18, 2014 — The mishaps mean federal scientists need to "take a hard look" at all federal research on deadly pathogens and make sure, in each case, that the benefits justify risks, says Dr. Tom Frieden.
Jul 17, 2014 — The Ebola treatment center in Kailahun is the largest ever built, with 64 beds. A visit reveals the toll on the staff — and how much of the Ebola-fighting budget literally goes up in smoke.
Jul 16, 2014 — From shelter mutts to show dogs, Texas canines are getting a parasite that causes heart problems in people. Dogs don't spread the parasite directly to humans. But they help to make it more prevalent.
Jul 14, 2014 — We all think of airplanes as hotbeds for diseases. But how easily do pathogens spread on jets? One travel doctor explains what he does to keep from bringing home microbial stowaways.
Jul 10, 2014 — Scientists hoped the baby's apparent cure would lead to similar treatments in infants worldwide. But with the child still HIV-positive, some question the ethics of a large study in other children.
Jul 10, 2014 — People in heterosexual relationships are about 20 times less likely to pass HIV to their partners than homosexual men. Now scientists have found a clue to why this disparity exists.
Jul 10, 2014 — The Ebola outbreak in West Africa is the largest and deadliest on record. But many may not understand how the virus works, how painful the symptoms are, and why some victims are able to recover.
Jul 8, 2014 — The world is tantalizingly close to wiping out Guinea worm, a 3-foot-long parasite that emerges from a blister in the skin. Only 17 cases have occurred so far this year. Next year there could be zero.
Jul 3, 2014 — The deadliest Ebola outbreak in history continues to grow in West Africa. Even as health leaders met to figure out how to stop the virus, the number of cases surged by nearly 20 percent in a week.