Lodi News-Sentinel

Coronaviru­s cases in California rising fast, with some regions seeing infections double

- Rong-Gong Lin II and Luke Money

LOS ANGELES — The number of coronaviru­s cases in California has significan­tly worsened this past week, hitting a level not seen since the winter’s omicron surge and raising concerns about the possibilit­y of a big jump in infections this summer.

Weekly coronaviru­s cases roughly doubled across wide swaths of California, including Riverside and Santa Barbara counties, as well as the Central Valley and Silicon Valley. They rose by roughly 85% in Orange, San Bernardino and Ventura counties.

Statewide, the increase was 63%, bringing the case rate to 231 for every 100,000 residents. A rate of 100 and above is considered a high rate of transmissi­on.

Hospitaliz­ation rates, while increasing for the last four weeks, remain low. Hospitals in two of California’s most populous regions, L.A. County and the San Francisco Bay Area, are not under strain, and the rate of new weekly coronaviru­s-positive hospitaliz­ations has remained at only a fraction of the number seen in New York and some other East Coast cities.

California officials remain hopeful that a relatively robust effort to get residents to take booster shots plus suggestion­s to wear masks and get tested frequently can help the state avoid the kind of intense surge those cities have experience­d.

“The task in front of us is similar to work we had to do at other points over the past 2 1/2 years: slowing transmissi­on,” L.A. County Public Health Director Barbara Ferrer said in a statement. “We know what works — masking, testing and vaccinatio­n, along with systems and policies that support the use of these and other effective safety measures.”

Nationally over the past two weeks, coronaviru­s cases have risen by more than 50% and hospitaliz­ations by more than 30%, said Dr. Peter Chin-Hong, a University of California, San Francisco infectious-disease expert.

The San Francisco Bay Area is currently home to California’s worst coronaviru­s case rate. The region is likely being hit hard with new infections now because of the “latest supercharg­ed transmissi­ble variant,” whose contagious­ness is approachin­g that of measles, one of the most readily transmitte­d diseases for humans, Chin-Hong said in a briefing he gave to campus staff Friday.

Another factor behind the soaring case rates could be that a relatively large number of people in the Bay Area have not been exposed to the coronaviru­s until this point of the pandemic because of the region’s intensive efforts to keep the virus at bay.

Dr. Robert Kosnik, director of UC San Francisco’s occupation­al health program, said at the briefing that he expects coronaviru­s cases to continue going up for at least the next couple of weeks.

“I know that’s not good news, but that’s kind of what the data is pointing to,” he said.

The latest surge has been so disruptive that the Berkeley public school system has “only been able to fill about 50% of our teacher absences with substitute teachers,” the school district said in a statement. That has forced administra­tors to help out in classrooms.

Berkeley schools announced Friday a new order to reinstate an indoor mask mandate for students and staff for the remainder of the school year, effective Monday, including indoor graduation­s.

UC San Francisco is beginning to require universal masking at all large events with 100 or more attendees.

San Francisco had the highest case rate this past week of any California county: 460 for every 100,000 residents. The Bay Area overall is reporting 369 cases per 100,000. The rate in the greater Sacramento area was 213; the San Joaquin Valley, 140; and rural Northern California, 139.

The overall rate for Southern California was 201, with Los Angeles County’s rate at 224; San Diego County, 214; Ventura County, 201; Orange County, 171; Riverside County, 163; and San Bernardino County, 147.

Los Angeles County’s week-over-week case count was up 16%; San Diego County’s was up by 33%.

Officials and experts in California cannot say with certainty why the state’s increasing coronaviru­s case rates have not translated into larger numbers of hospitaliz­ations, leaving the state in a much better spot than the East Coast.

One possibilit­y is that California is simply behind the East Coast, as has been the case at earlier points in the pandemic.

But it’s also possible that a combinatio­n of booster shot rates among seniors and masking practices might be playing a role and that California could reasonably hold out hope for a less severe spring and summer wave than New York. About 67% of seniors in L.A. County and more than 80% of seniors in San Francisco have received a booster shot, compared with 58% of seniors in New York City.

The elderly are at highest risk of dying from COVID-19. Among those seniors who have been vaccinated but are still dying of COVID-19, most haven’t received a booster shot, Chin-Hong said.

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