Feb 27, 2014 — Doctors are supposed to wash their hands before touching a patient. But that stethoscope draped around the doctor's neck may be loaded with bacteria, too. Cleaning it would help, researchers say.
Feb 25, 2014 — Doctors have diagnosed a handful of children with a polio-like disease that can paralyze an arm or a leg. The culprit may be a rare virus first detected in California more than 50 years ago.
Feb 25, 2014 — A new virus in the Middle East has sickened more than 180 people and killed an alarming 43 percent of them. But scientists haven't been sure where the virus originates or how people catch it.
Feb 16, 2014 — Scientists have apparently been wrong about where new flu viruses come from, and they've underestimated the viruses' connection to horses. The dogma is that new viruses always incubate in wild migratory birds first, then get into domestic poultry, and then jump into mammals — especially pigs and humans.
Feb 13, 2014 — The world is at greater risk than ever from pandemics and biological weapons, health officials said Thursday. In response, the U.S. government is spearheading a global effort to build an early warning system for infectious diseases, drug-resistant microbes and possible bioterror agents.
Feb 12, 2014 — Most people who are infected with West Nile virus never get sick. But some of those who do can wind up in the hospital, or suffer permanent disability. A Texas outbreak in 2012 may have made West Nile one of the more costly diseases in the state that year.
Feb 7, 2014 — The Mohonk Mountain House in New Paltz, N.Y., closed Friday afternoon so that cleaning crews from a company that specializes in disaster responses can scour the place after an outbreak of intestinal illness. Norovirus appears to be the culprit.
Jan 30, 2014 — Since 1990, nearly 2 billion people have gained clean toilets, or at least decent outhouses. And many more children in the developing world now eat better, go to school and get medical treatment. The advances mean that fewer children are dying of preventable diseases.
Jan 25, 2014 — An interactive map shows how measles and whooping cough have made a comeback in the U.S. and Europe, even though they're easily prevented by a few shots. The surge of these diseases coincides with changes in views about vaccine safety.
Jan 16, 2014 — Years of effort to wipe out the Guinea worm parasite in Africa is paying off. Last year the number of cases dropped to a record low — 148, compared to millions in the 1980s. But war is complicating the low-tech efforts needed to stop spread of the infection.