Another coronavirus case of unknown origin identified in California

A researcher works on developing testing for the novel coronavirus at a lab in New Jersey.| Photo by Kena Betancur/Getty Images A second case of COVID-19 with an unknown origin has been identified in Santa Clara county, California on Friday. This indicates to health experts that the novel coronavirus — which causes the disease COVID-19 — is likely spreading through more than one community in the US.The Washington Post first reported news of the second case of community transmission