Los Angeles study suggests virus much more widespread

An estimated 320,000 adults in Los Angeles County may have been infected with coronavirus, according to preliminary results of a study that suggests the illness is far more widespread than current testing shows and the death rate is much lower. The study conducted April 10-11 by the county and the University of Southern California estimated that approximately 4.1% of the county's adult population of 8 million has antibodies to the virus. When adjusted for margin of error, the infection rate rang