Medicine

Preliminary results suggest the vaccine is up to 77 percent effective in young children, but researchers await larger studies

It was lysozyme, an enzyme that attacks the cell walls of bacteria—and just as with the celebrated antibiotic, he found it through pure serendipity

Infectious disease physician-scientist Wilbur Chen discusses the rare cases of blood clots linked to the immunization

For the first time, a randomized controlled trial shows the psychedelic offers potent, if short-term, relief in comparison with an SSRI

An infectious disease doctor answers questions about the CDC’s and FDA’s decision to pause the vaccine’s use over a possible link with blood clots

Researchers are searching for possible links between unusual clotting and the Oxford-AstraZeneca coronavirus vaccine

Pulmonary fibrosis is diagnosed in about 50,000 new patients annually, and as many as 40,000 Americans die from it each year

The pandemic has spotlighted ways to make clinical trials easier on patients and better for science, a heart drug researcher says

Reactions reflect unique features of an individual’s immune system, not the strength of a response

Willingness is rising, even among skeptical groups, at a time when there are still not enough doses to go around

Uptake by patients and physicians has been low in the U.S. even though some therapies have been authorized for months

Trials of all three vaccines came up with different efficacy numbers, but all offer crucial protection in this health emergency