Second US Coronavirus Case of ‘Unknown Origin’

Workers man the Medical Health and Coordination Center at the California Department of Public Health in Sacramento, California on Feb. 27, 2020. Justin Sullivan/Getty Images

The second case of the new coronavirus of “unknown origin” in both California as well as the United States was flagged on Friday in California’s Santa Clara County.

It marks the 63rd case in the United States, California’s 10th case, and the 3rd case in the county.