Most patients who received hospital treatment for Covid-19 developed long-term health problems, according to a large-scale study from China.
Researchers found that 76% of those discharged from one hospital in Wuhan, the city at the center of the outbreak, still showed at least one symptom associated with the disease six months later.
Fatigue and sleep difficulties, which occurred in 63% and 26% of the patients respectively, were the most common problems.
To the surprise of the researchers,…