Santa Clara and Alameda counties each recorded a death from coronavirus, and Contra Costa County went over 1,500 confirmed COVID-19 cases during the pandemic with its biggest one-day spike in six weeks, health officials said Tuesday.

Health departments in those counties updated their current statistics before 3 p.m. The numbers reflect totals through Monday night.

Santa Clara County has recorded 143 deaths since the pandemic started, the most in the 10-county Bay Area, while Alameda County has recorded the most cases with more than 3,500.

California: State hits daily high of new cases

The state recorded more than 3,000 positive cases for the second time in a week, adding 3,128 to its ledger, according to data compiled by this news organization. Overall, 115,302 infections have been diagnosed during the pandemic, and the latest seven-day average is 2,608 new cases, the highest since May 29.

A total of 47 new deaths Monday brought the state’s overall mark to 4,219.

The state has now administered 1.5 million tests for the virus, one reason health experts have said the number of new cases in the state continues to grow.

Santa Clara County: Another death for Bay Area leader

The latest death kept the county 46 ahead of Alameda County for the most in the Bay Area and was the second in two days in June. The county recorded 30 deaths in May.

An additional 17 new cases brought the number of confirmed COVID-19 cases to 2,819 for the pandemic, the Bay Area’s second-highest figure. Health officials have added an average of 21 new cases per day over the past week and about 20.5 over the past two.

Thirty-eight people remained in hospitals with COVID-19.

Contra Costa County: Worst one-day spike in six weeks

An additional 38 confirmed cases of the coronavirus marked the biggest single-day jump since April 21 and took the county past the 1,500 barrier. The 1,506 cases rank fifth in the Bay Area. Even with the spike, the county has averaged about 22 new cases a day over the past week. Richmond residents have seen 322 cases, the most in the county and more than twice the number (158) of Concord, which is No. 2.

Health officials also reduced the county’s death toll by one, back to 37. A death from another jurisdiction previously had been part of the total, health officials said.

There were 11 coronavirus patients in hospitals, down from 15 late last week.

Alameda County: More than 3,500 cases now confirmed

Another 45 cases were added, bringing the total to a Northern California-high of 3,515, a figure that ranks sixth in the state. Alameda County, which trailed Santa Clara County in confirmed cases for much of the pandemic, moved past the county two weeks ago and is more than 700 ahead of that county.

Oakland, with 1,267 cases (36%), has seen the most cases, while Hayward has seen the highest frequency of cases, with about 410 cases for every 100,000 people.

The one additional death brought that total to 97, the seventh-most in the state. Only four who have died have been under 51 years old.

There were 99 people hospitalized and 37 in the ICU.

San Mateo County: Fewer confirmed cases

Health officials added 23 cases, bringing the county’s county to 2,188. That’s the Bay Area’s fourth-highest total. The 23 cases were the fewest added since May 20; the county has averaged 40.5 per day over teh past week. San Mateo (533 cases, 24.3%) and Daly City (351, 16%) have seen the most cases.

The death toll remained at 84 and has not changed since May 29. Of the 84 deaths, only one victim has been below 50 years old, and 56 have been over 80.

In hospitals, 56 people were hospitalized with the virus and 27 were in the ICU. The county had 39 (44%) of its regular ICU beds available, as well as 261 (95%) of its surge ICU beds and 189 (93%) of its ventilators.

San Francisco: A three-day positive trend

Health officials added 17 confirmed cases, bringing the city’s total to 2,587, the Bay Area’s third-most. Over the past three days, though, they’ve added only 55 cases, four fewer than were added on Saturday. The county has averaged 26.9 new cases per day over the past week.

The number of total deaths remained at 43, and 51 people were hospitalized, 18 in the ICU. Another 26 patients were suspected to have it.