Ping An Insurance known also as Ping An of China, full name Ping An Insurance Company of China, Ltd. is a Chinese holding conglomerate whose subsidiaries mainly deal with insurance, banking, and financial services. Read More
In a study of 194 healthy people, ages 19-66 years, researchers report that exhaled aerosol particle counts varied by three orders of magnitude between individuals, with fewer than 20% of individuals exhaling 80% of total aerosol, and tended to incre ...