Bay Area public health officials reported more new coronavirus cases Saturday.

Santa Clara County announced Saturday afternoon that eight residents have tested positive for the illness, bringing to 32 the total number of cases in the county that has been at the center of the Bay Area’s outbreak.

County health officials did not provide additional information about the new cases. But Gilroy police said a resident there was treated by firefighters for chest pains Thursday afternoon, then transported by ambulance to Kaiser San Jose Medical Center, where the person tested positive for coronavirus.

Police said the firefighters took measures to minimize potential exposure before treating the patient. Showing no coronavirus symptoms, they were allowed to return to work, police said. They are being monitored on a daily basis for the next 14 days, under standard protocol and in coordination with Santa Clara County health officials and the Centers for Disease Control and Prevention.

Six San Francisco residents — three men and three women — have tested positive for COVID-19, the city’s Department of Public Health said Saturday, for a total of eight.

The San Francisco patients are all in good condition and isolated at home, according to a news release from Mayor London Breed’s office. Of the patients, two are in their 20s, three in their 40s and one in his or her 50s and all had known contacts with people who had been previously confirmed to have coronavirus.

“These newly confirmed cases are an indication of the increasing circulation of coronavirus in the community, as expected, given the patterns in our state, region and our own city,” Dr. Grant Colfax, Director of Health, said in a statement, adding that residents should follow guidelines intended to reduce contact between people and reduce the risk of contagion. “In order to decrease the impact of coronavirus on our community, we must reduce the times and places when people come together.”

Dr. Tomas Aragon, San Francisco Health Officer, said in the statement that the number of cases is likely to climb as testing increases.

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Why are California unemployment checks months late? State audit aims to find out “Vulnerable people who are 60 and over or have underlying health conditions should limit their outings as much as possible,” Dr. Aragon said in the statement. Experts also recommend frequent hand washing.

The city declared a local state of emergency on February 25 to direct additional resources toward the outbreak and has been conducting testing since March 2 following criteria set by the U.S. Center for Disease Control and Prevention.

Residents can receive additional information about coronavirus on the city’s website, by calling 311 or by signing up to San Francisco’s alert system by texting COVID19SF to 888-777.

The first confirmed coronavirus case in Santa Cruz County was announced on Saturday. The patient had traveled on the COVID-19 stricken Grand Princess cruise ship last month. Authorities in that county said they also expect the number of confirmed cases to climb as testing intensifies.