Four states report more COVID-19 cases; silent Washington spread suspected

Last night and so far today, four states have reported more COVID-19 cases, including two more in Washington state, where a new gene finding is fueling concerns that the virus may have been circulating in the community for as long as 6 weeks.

Also, Rhode Island reported its first case, California’s Santa Clara County reported another, and Illinois’ Cook County reported a presumed positive, raising the number of cases detected by the nation’s public health system to 27.