California keeps key virus data out of public sight. Why?

Written by Don Thompson on January 24, 2021. Posted in Current News

California Gov. Gavin Newsom has from the start said his coronavirus policy decisions would be driven by data shared with the public to provide maximum transparency.

But with the state starting to emerge from its worst surge, his administration won’t disclose key information that will help determine when his latest stay-at-home order is lifted.

State health officials said they rely on a very complex set of measurements that would confuse and potentially mislead the public if they were made public.

Dr. Lee Riley, chairman of the University of California, Berkeley School of Public Health infectious disease division, disagreed.

“There is more uncertainty created by NOT releasing the data that only the state has access to,” he said in an email. Its release would allow outside experts to assess its value for projecting trends and the resulting decisions on lifting restrictions, he wrote.

Newsom, a Democrat, imposed the nation’s first statewide shutdown in March. His administration developed reopening plans that included benchmarks for virus data such as per capita infection rates that counties needed to meet to relax restrictions.

It released data models state officials use to project whether infections, hospitalizations and deaths are likely to rise or fall.

As cases surged after Thanksgiving, Newsom tore up his playbook. Rather than a county-by-county approach, he created five regions and established a single measurement — ICU capacity — as the determination for whether a region was placed under a stay-at-home order.

In short order, four regions — about 98% of the state’s population — were under the restrictions after their capacity fell below the 15% threshold. A map updated daily tracks each region’s capacity.

At the start of last week, no regions appeared likely to have the stay-at-home order lifted soon because their capacity was well below 15%. But within a day, the state announced it was lifting the order for the 13-county Greater Sacramento area.

Suddenly, outdoor dining and worship services were OK again, hair and nail salons and other businesses could reopen, and retailers were allowed more shoppers inside.

Local officials and businesses were caught off guard. State officials did not describe their reasoning other than to say it was based on a projection for ICU capacity.

State health officials relied on a complex formula to project that while the Sacramento region’s intensive care capacity was below 10%, it would climb above 15% within four weeks. On Friday, it was 9%, roughly the same as when the order was lifted.

“What happened to the 15%? What was that all about?” asked Dr. George Rutherford, an epidemiologist and infectious-diseases control expert at University of California, San Francisco. “I was surprised. I assume they know something I don’t know.”

State officials projected future capacity using a combination of models. “At the moment the projections are not being shared publicly,” Department of Public Health spokeswoman Ali Bay said in an email to The Associated Press.

California Health and Human Services Agency spokeswoman Kate Folmar said officials are committed to transparency, providing twice-weekly updates on whether regions can relax restrictions. But she said projected ICU capacity is based on multiple variables, including available beds and staffing that change regularly.

“These fluid, on-the-ground conditions cannot be boiled down to a single data point — and to do so would mislead and create greater uncertainty for Californians,” she said in a statement.

First Amendment Coalition Executive Director David Snyder urged the state to change course.

“The state is wielding extraordinary power these days — power to close businesses, to directly impact people’s livelihoods and even lives — and so it owes it to Californians to disclose how and why it makes those decisions,” said Snyder, whose California public interest organization fights for greater government openness.

“Secrecy,” he said, “is exactly the wrong approach here and will only breed further mistrust, confusion and contempt for the crucial role of government in bringing us out of this crisis.”

Restaurants, among other businesses, would benefit by being able to watch trends toward reopening so they could start ordering supplies and rehiring workers, California Restaurant Association president and CEO Jot Condie said.

Last week’s sudden easing of restrictions “was a good surprise, but we just didn’t see it coming,” Condie said. “We just don’t know what happens behind the curtain.”

San Bernardino County spokesman David Wert said officials there aren’t aware of the models the state is using. “If they do exist, the county would find them helpful,” he said.

Riley said he would base reopening decisions on current coronavirus cases rather than ICU projections, partially because most people who are hospitalized never require intensive care.

California became the nation’s epicenter for the virus in December, but it has fared better in the new year. The 23,024 new cases reported Friday are less than half the mid-December peak of nearly 54,000.

California Health and Human Services Secretary Dr. Mark Ghaly this week cited slowing hospital and skilled nursing home admissions and lower positivity and transmission rates as “rays of hope” for overburdened hospitals.

Yet the data model that he has repeatedly pointed to as key to planning still shows hospitalizations bumping up over the next month, though projections flatten more each day.

The model is based on historical infection data that follows a pattern where about 12% of those with the virus get hospitalized and 12% of them end up in the ICU. The model’s projections do not account for changes in conditions, such as more vaccinations or a lifted stay-at-home order.

It is one of 16 forecasting models listed on a “technical notes” page of the state’s website, with links for more information to help the public understand projections that can sometimes show contradictory trends. Another 12 models assess transmission rates.

Computer models must take into account so many factors that they may be valuable only on a much smaller scale, experts said, perhaps to allow local officials to spot outbreaks or target vaccination campaigns.

The computer model Ghaly has been citing seems to be accurate “only afterwards, like Monday morning football,” Riley said, “so I don’t take the modeling that seriously.”

For example, Riley expects holiday-related cases to continue plaguing hard-hit Southern California for at least a couple more weeks and keep ICU space extremely tight.

Yet the state’s public model shows a roughly 30% decline in Southern California ICU patients over the next month even as hospitalizations flatten and deaths climb. The model shows a smaller but still significant decline in the equally hard-hit San Joaquin Valley.

“My reading of the tea leaves,” Rutherford said, “is that we’re at the very cusp of entering a period of falling case numbers.”

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Associated Press writers Kathleen Ronayne and Amy Taxin contributed. Taxin reported from Orange County.

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Comments (1)

Shane

January 25, 2021 at 12:52 am | #

“State health officials said they rely on a very complex set of measurements that would confuse and potentially mislead the public if they were made public.”
More likely it would give ammunition to the real scientists…

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California keeps key virus data out of public sight. Why?

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Shane

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California keeps key virus data out of public sight. Why?

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