LOS ANGELES -- The governor of the US state California Gavin Newsom tested positive for COVID-19 and will remain in isolation at least through June 2 and until he tests negative, his office said Saturday.

Newsom said on Twitter that he is "experiencing mild symptoms" and "following health guidelines and will be isolating" while working remotely.

He has been vaccinated and has received two booster shots, including as recently as May 18, according to the statement.

In recent weeks, COVID-19 transmission rates are steadily climbing in California, home to over 40 million residents.

The state had reported a total of 8,896,174 COVID-19 cases and 90,612 related deaths as of Friday, according to the California Department of Public Health.