The National Institutes of Health is starting some studies to test possible treatments for long COVID. Millions of people are estimated to have the mysterious condition. The studies are small
In the United States, the National Institutes of Health (NIH) is beginning a handful of studies to test possible treatments for long Covid, an anxiously aw
WASHINGTON — The National Institutes of Health is beginning a handful of studies to test possible treatments for long COVID, an anxiously awaited step in U.S. efforts against the mysterious