NEW YORK, Aug. 9 (Xinhua) -- About 400 million people worldwide have been afflicted with long COVID-19, according to a new research.
The estimated economic cost, from factors like health care services and patients unable to return to work, is about 1 trillion U.S. dollar globally each year, or about 1 percent of the global economy, according to the research, published on Friday in the journal Nature Medicine.
