A team of international scientists has discovered a new mechanism by which immune cells in the skin function act as the body's 'border control', revealing how these cells sense whether lipid or fat-like molecules might indicate the presence of foreign invaders.
President Obama held a press conference revealing new details surrounding the Precision Medicine initiative he announced during the State of The Union.
Researchers have begun to appreciate the importance of copy number variation when considering the connections between DNA and disease.
A measles outbreak in Arizona that originated at California's Disney parks is at risk of increasing dramatically in size as health officials keep tabs on 1,000 people, including nearly 200 children who could have been exposed at a Phoenix-area medical center.
The U.N. health agency said the three most affected countries - Guinea, Sierra Leone and Liberia - have reported fewer than 100 cases in the past week, for the first time since June.
After undergoing surgery to remove diseased sections of the colon, up to 30 percent of patients experience leakage from their sutures, which can cause life-threatening complications.
Killer T cells are one of the body's main lines of defense against pathogens.
Millions of genetically modified mosquitoes could be released in the Florida Keys if British researchers win approval to use the bugs against two extremely painful viral diseases.
The World Health Organization has proposed reforms that could overhaul its structure after botching the response to the biggest-ever Ebola outbreak.
A top U.N. official in the fight against Ebola greeted just three patients at one treatment center he visited this week in Sierra Leone.
Long-awaited studies of two possible Ebola vaccines are set to begin in West Africa in a couple of weeks.
Standards proposed by the Agriculture Department aim to reduce rates of salmonella and campylobacter, another pathogen that can cause symptoms similar to salmonella, in chicken parts, ground chicken and ground turkey. The standards would be voluntary but designed to pressure companies to take steps to reduce contamination.
Neonatal intestinal disorders that prevent infants from getting the nutrients they need may be caused by defects in the lysosomal system that occur before weaning, according to a new Northwestern Medicine study.
Seventy people have been infected in a measles outbreak that led California public health officials to urge those who haven't been vaccinated against the disease, including children too young to be immunized, should avoid Disney parks where the spread originated.
Haemoplasmas are a group of blood borne bacteria found in a wide range of mammals, including domestic and wild cats, and can cause severe anaemia. The findings of a new study have significantly advanced researchers’ knowledge of immunity for these pathogens.
Wildlife biologists tracking a tumor-causing virus first diagnosed in eastern wild turkeys five years ago have found the virus is far more widespread - but less deadly - than expected.
These factors may not be enough to finally end the Ebola epidemic in West Africa.
The antibody response from an HIV vaccine trial in Thailand was made possible by a genetic trait carried over in humans from an ancient ancestry with monkeys and apes.
The highly contagious respiratory illness was declared eliminated in the U.S. in 2000, but health officials have seen a surge of measles infections in the country in recent years.
Colds can come from cold noses, according to a high-profile study in Proceedings of the National Academy of Sciences (PNAS).
Every summer, the news reports on a bacterium called Vibrio vulnificus found in warm saltwater that causes people to get sick, or die, after they eat raw tainted shellfish or when an open wound comes in contact with seawater.
Biologists found indications of a greater risk of parasitic infection due to climate change in ancient mollusk fossils.
Scientists have revealed that sugars on a specific mucus protein can induce eosinophil death and help combat asthma.
In the midst of a worrisome flu season, health officials are pushing doctors to prescribe antiviral medicines more often.
Worm infections represent a major global public health problem, leading to a variety of debilitating diseases and conditions, such as anemia, elephantiasis, growth retardation and dysentery. Several drugs are available to treat worm infections, but reinfection is high especially in developing countries.