U.S. to launch trials for potential treatments for long COVID

LOS ANGELES, May 8 (Xinhua) -- The U.S. National Institutes of Health (NIH) will launch clinical trials to investigate potential treatments for long-term symptoms after COVID-19 infection, including sleep disturbances, exercise intolerance and the worsening of symptoms following physical or mental exertion known as post-exertional malaise (PEM), the agency announced on Wednesday.

The new trials will enroll approximately 1,660 people across 50 study sites to investigate potential treatments for some of the most frequent and burdensome symptoms reported by people suffering from long COVID, according to the NIH.