California State officials said on Thursday that 33 people have tested positive for coronavirus COVID-19 and at least 8,400 others are currently being monitored.

Iran Press/America: A day after the US health officials confirmed the first possible community transmission of the coronavirus, California State Governor Gavin Newsom said that the Centers for Disease Control and Prevention doesn’t know exactly how the new California patient, who’s receiving medical care in Sacramento County, contracted the virus.

The patient didn’t have a relevant travel history or exposure to another patient with the virus, the CDC said Wednesday.

California health officials said the patient was under quarantine after her diagnosis.

"We are currently in deep partnership with CDC on one overriding protocol that drives our principle focus right now and that’s testing, and the importance to increase our testing protocols and to have point of contact diagnostic testing as our top priority not just in the state of California but I imagine all across the United States," Newsom said at a press conference.

Newsom said five of the 33 patients who tested positive for the virus have since left the state. It wasn’t immediately clear whether the 33 positive cases were part of the group of Diamond Princess passengers who were evacuated from the cruise ship that was quarantined off the coast of Japan.

The US had 60 cases as of Wednesday night, 42 of which are people who were on the ship, according to the CDC.

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