More than 8,000 people are being monitored for the coronavirus in California, and 33 people have tested positive, Gov. Gavin Newsom (D) announced Thursday. Those being monitored in California had traveled to Asia. The Centers for Disease Control and Prevention said Wednesday that a person who tested positive for the coronavirus in California might be the first U.S. case of community spread, as they hadn't recently traveled out of the country or come into contact with anyone who had the virus. California's Department of Public Health director emphasized "the risk to the American public remains low."

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