May 8, 2013 Those people who have contracted the H7N9 virus have become very sick. And unlike the older bird flu virus, this one shows some adaptation to mammals, making it a matter of concern. But it doesn't make chickens sick, posing unique difficulties in fighting this kind of flu.
May 2, 2013 Fewer than three weeks after they were severely injured in the Boston Marathon bombings, Celeste Corcoran and her 18-year-old daughter, Sydney, are entering a new phase of recovery and rehabilitation. Part of their healing is emotional, not physical.
May 1, 2013 As victims of the Boston Marathon bombings leave the hospital or prepare to, their stories are beginning to pour out. Celeste Corcoran and her daughter, Sydney, both suffered grievous leg injuries. Their accounts give a fuller toll of the attack and the challenges that lie ahead.
April 26, 2013 An oversight committee halted a big clinical study of an experimental HIV vaccine after a peek at preliminary results showed there was no way the study would be able show the vaccine works. More vaccinated people became infected with HIV than those who got placebo shots.
April 25, 2013 When researchers turned on a gene for the hormone in the livers of diabetic lab mice, the number of insulin-making cells in their pancreas glands tripled within 10 days. Although the research was conducted in animals, the scientists say the findings could be relevant for humans.
April 19, 2013 An international team of disease detectives are in China to investigate an outbreak of a new strain of bird flu, H7N9. The biggest puzzle right now is where these infections are coming from, as testing poultry has turned up very few infected birds.
April 16, 2013 These days hospitals drill for mass casualty disasters like the explosions at Monday's Boston Marathon. But when it happened for real, the first response was disbelief. Then the victims began arriving. Doctors say they were confronted with the kinds of IED injuries that U.S. troops have gotten in Iraq and Afghanistan.
April 14, 2013 "The top priority is diagnosis — the capability to be able to pick up this virus, should it emerge outside of China," says virologist John McCauley. Flu researchers are getting started on creating a vaccine, but there are still many unknowns.
April 10, 2013 Infants received different levels of oxygen to see which was better at preventing blindness without increasing the risk of nerve damage or death. But the federal government says doctors in the study didn't tell parents enough in advance about the "foreseeable risks" to their children.
March 27, 2013 The largest gene-probing study ever done has found dozens of new genetic markers that flag a person's susceptibility to breast, ovarian and prostate cancer. But knowing these susceptibility markers won't mean much for patients for now.