A COVID-19 vaccine candidate developed by the U.S. company Moderna and the National Institutes of Health starts its final phase of testing. It's one of a handful of candidates to reach this stage.
Two new human studies back earlier hints that vaccines designed to prevent respiratory infections might also provide some protection against Alzheimer's disease.
Gene therapy has helped a 9-year-old boy regain enough muscle strength to run. If successful in others, the treatment could change the lives of thousands of children with Duchenne muscular dystrophy.
The only hospital in Yakima, Wash., nearly reached its capacity in June due to the coronavirus. But the community took action and now offers lessons on how to bring hospitalizations down.
Recent studies have raised fears that immunity to the coronavirus might be fleeting, thus making potential vaccines ineffective. The reality of the science is more complex — and more reassuring.
A college student's bill for outpatient knee surgery is a whopper — $96K — but the most mysterious part is a $1,167 charge from a health care provider she didn't even know was in the operating room.
A single test that can give false reassurance sounds bad. But a $10 test for the coronavirus, if repeated daily, would discover real infections, say proponents of such tests as screening tools.