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Chinese Censorship Is Quietly Rewriting the Covid-19 Story https://www.nytimes.com/2023/04/23/world/europe/chinese-censorship-covid.html
Under government pressure, Chinese scientists have retracted studies and withheld or deleted data. The censorship has stymied efforts to understand the virus.
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Chinese Censorship Is Quietly Rewriting the Covid-19 Story
By Mara Hvistendahl and Benjamin Mueller, April 23, 2023, NY Times
Early in 2020, on the same day that a frightening new illness officially got the name Covid-19, a team of scientists from the US and China released critical data showing how quickly the virus was spreading, and who was dying. The study was cited in
health warnings around the world and appeared to be a model of international collaboration in a moment of crisis. Within days, though, the researchers quietly withdrew the paper, which was replaced online by a message telling scientists not to cite it.
A few observers took note of the peculiar move, but the whole episode quickly faded amid the frenzy of the pandemic.
What is now clear is that the study was not removed because of faulty research. Instead, it was withdrawn at the direction of Chinese health officials amid a crackdown on science. That effort kicked up a cloud of dust around the dates of early Covid
cases, like those reported in the study.
“It was so hard to get any info out of China,” said one of the authors, Ira Longini, of the Univ of Florida, who described the back story of the removal publicly for the first time in a recent interview. “There was so much covered up, and so much
hidden.”
That the Chinese govt muzzled scientists, hindered international investigations and censored online discussion of the pandemic is well documented. But Beijing’s stranglehold on info goes far deeper than even many pandemic researchers are aware of. Its
censorship campaign has targeted international journals and scientific databases, shaking the foundations of shared scientific knowledge, a NY Times investigation found.
Under pressure from their govt, Chinese scientists have withheld data, withdrawn genetic sequences from public databases and altered crucial details in journal submissions. Western journal editors enabled those efforts by agreeing to those edits or
withdrawing papers for murky reasons, a review by The Times of over a dozen retracted papers found.
Groups including the WHO have given credence to muddled data and inaccurate timelines.
This scientific censorship has not universally succeeded: The original version of the Feb 2020 paper, for example, can still be found online with some digging. But the campaign starved doctors and policymakers of critical info about the virus at the
moment the world needed it most. It bred mistrust of science in Europe and the United States, as health officials cited papers from China that were then retracted.
The crackdown continues to breed misinfo today and has hindered efforts to determine the origins of the virus.
Such censorship spilled into public view recently, when an international group of scientists discovered genetic sequence data that Chinese researchers had collected from a Wuhan market in January 2020 but withheld from foreign experts for 3 years — a
delay that global health officials called “inexcusable.”
The sequences showed that raccoon dogs, a fox-like animal, had deposited genetic signatures in the same place that genetic material from the virus was left, a finding consistent with a scenario in which the virus spread to people from illegally traded
market animals.
The Chinese Embassy in Washington did not respond to requests for comment. At a news conference this month, scientists from the Chinese CDC called such criticism “intolerable.”
It is impossible to ascribe a single motive to the crackdown. Beijing controls and shapes info as a matter of course, particularly in moments of crisis. But some of the censorship changed the timeline of early infections, a delicate topic as the govt
faced criticism over whether it responded to the outbreak quickly enough.
There is no evidence that the censorship is designed to conceal a specific scenario for the origins of the pandemic. Some scientists believe that Covid-19 spread naturally from animals to humans. Others argue that it may have spread from a Chinese lab.
Both sides have pointed to censored data to support their theories.
But they have come to agree on one point: The Chinese govt’s grip on science has stifled the search for truth.
“I think there’s a major political agenda that is impacting the science,” said Edward Holmes, a Univ of Sydney biologist who was part of the group that analyzed the sequences containing raccoon dog DNA.
Soon after the group alerted Chinese researchers to their findings, the genetic sequences temporarily disappeared from a global database. “It’s just pathetic that we’re in this stage where we’re having cloak-and-dagger conversations about deleted
data,” Dr. Holmes said.
Ever-Changing Dates
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For a brief moment, the virus appeared to challenge China’s notoriously tough hold on info. On Feb. 6, 2020, when averting a pandemic still seemed possible, the Chinese internet lit up with the death of Li Wenliang, a Wuhan doctor who had been punished
for warning about the outbreak before falling ill himself.
Anger boiled over. People sensed that officials had withheld lifesaving info. Across China, they asked: How many had caught the virus in December? Who had known? Why hadn’t more been done?
Around that time, researchers confirmed that the virus had been spreading for weeks from human to human, a fact that Chinese officials had initially dismissed.
The Chinese govt reacted by tightening online censorship and wresting control of research. The censorship was piecemeal at first. The Ministry of Science and Tech told scientists to prioritize handling the outbreak, not publishing papers. One European
scientist recalled his Chinese collaborators asking him to sign a nondisclosure agreement promising not to share data — on research that had already been published.
Soon, Chinese researchers were asking journals to retract their work. Journals can withdraw papers for a number of legit reasons, like flawed data. But a review of more than a dozen retracted papers from China shows a pattern of revising or suppressing
research on early cases, conditions for medical workers and how widely the virus had spread — topics that could make the govt look bad. The retracted papers reviewed by The Times had been flagged by Retraction Watch, a group that tracks withdrawn
research.
Among them were a study that included infected children in southern China; a survey of depression and anxiety among Chinese med workers who had been treating Covid-19 patients; and even a letter published in The Lancet Global Health by two nurses who
described the desperation they felt while working in hospitals in Wuhan.
“Even experienced nurses may also cry,” they wrote.
Journals are typically slow to retract papers, even when they are shown to be fraudulent or unethical. But in China, the calculus is different, said Ivan Oransky, a founder of Retraction Watch. Journals that want to sell subscriptions in China or publish
Chinese research often bend to the govt’s demands. “Scientific publishers have really gone out of their way to placate the censorship requests,” he said.
As the virus spread, China formalized its controls. A govt task force was put in charge of all coronavirus research. Officials in the eastern province of Zhejiang discussed “strengthening the management” of scientific results, records show.
Then on March 9, scientists from top Chinese labs published a paper about how the virus might be mutating. The research appeared in Clinical Infectious Diseases, a prestigious journal published by Oxford Univ. Press.
The topic was seemingly apolitical, but it relied on samples collected from patients in Wuhan starting in mid-December 2019. That added to evidence that the virus was spreading widely before the Chinese govt took action.
The paper landed just as the govt formalized its censorship policy. The following day, China’s Ministry of Education ordered universities to submit research topics to the govt task force for approval, according to a directive posted on a university’s
website.
Those who did not vet their scientific projects or who caused “serious adverse social impacts” would be punished, the directive said.
The move sent a chill through Chinese science. Schools tightened restrictions on faculty media interviews and instructed professors to comply with the directive, university notices show.
The journal retractions continued, and for unusual reasons.
One group of authors noted that “our data is not perfect enough.” Another warned that its paper “cannot be used as the basis for the origin and evolution of SARS-CoV-2.” A third said its findings were “incomplete and not ready for publication.
Several scientists promised in retraction notices to update their findings but never did.
Because Chinese scientists have been muzzled, it is difficult to neatly distinguish between censored papers and those retracted for legit scientific reasons.
The censorship helped the govt tell a story.
“China emerged from the pandemic as an early winner,” said Yanzhong Huang, a global health expert at Seton Hall University. “They started to present a new narrative on the outbreak, in terms of not just the origin, but also in terms of the govt’s
role in responding to the pandemic.”
Two months after posting the paper on coronavirus mutations, Clinical Infectious Diseases published an update. The new version said that the Wuhan samples were not collected in December after all, but weeks later, in January.
The paper’s corresponding author, Li Mingkun of the Beijing Institute of Genomics, did not respond to requests for comment.
After Jesse Bloom of the Fred Hutchinson Cancer Center in Seattle tweeted about the discrepancy, the journal’s editors posted a third version of the paper, adding yet another timeline. This revision says the samples were collected between Dec. 30 and
Jan. 1.
A correction merely says that the previous dates had been “unclear.”
In an email to The Times, the journal editors said the correction was “the most appropriate approach to clarify the scientific record.”
An Origin Mystery
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Chinese scientists ignored requests for years to release info about swabs taken from surfaces at the Wuhan market. That refusal has hindered efforts to determine how the pandemic began.
Dr. Holmes, the University of Sydney biologist, said that as far back as two years ago, he stressed to Chinese researchers the importance of those samples. He even sent them a raccoon dog genome sequence, hoping they would compare it with samples from
the market. The researchers did not make the data public until this year.
The WHO, the supposed repository for reliable info about the virus, has only added to confusion about the pandemic’s origins. After errors were found in a major March 2021 report from the organization and China, an agency spokesman, Tarik Jasarevic,
promised that officials would correct the mistakes.
Two years later, they have not. The flawed report remains online, painting an inaccurate timeline of the earliest known cases. Mr. Jasarevic now refers questions about the report to the scientists who prepared it.
“That’s a deep and in many ways unforgivable mystery, when the data were demonstrated to be false,” said Lawrence Gostin, the faculty director of Georgetown Univ’s O’Neill Institute for National and Global Health Law and a longtime W.H.O.
adviser. “It either shows that W.H.O. wasn’t insistent enough with China, or that China simply didn’t cooperate.”
Some scientists have become similarly suspicious that China’s censorship has affected the genetic databases that underpin worldwide research.
Dr. Bloom, the Seattle evolutionary virologist, was poring over tables in a scientific paper in June 2021 when he discovered that dozens of gene sequences had been deleted from the Sequence Read Archive, a U.S. govt database. The sequences, from early
2020, had been submitted by scientists from Wuhan Univ. But they had curiously vanished.
The U.S. govt’s National Library of Medicine, which manages the database, said at the time that the Wuhan researchers had asked that the sequences be withdrawn — and implied that it was the only instance during the pandemic in which data was removed
at the request of scientists in China.
But a March 2022 review by an outside consultant showed that the scientists withdrew another, unrelated sequence on the same day. After Dr. Bloom published a paper about the deleted Wuhan Univ sequences, they reappeared online — but most had been moved
to a database affiliated with the Chinese govt.
This controversy and the recent dust-up over the discovered-then-deleted-then-recovered raccoon dog DNA from a separate database have prompted calls for transparency from these genetic archives.
Virginie Courtier-Orgogozo, an evolutionary biologist at the French National Center for Scientific Research, said all pandemic-related sequences should be released to global health experts, particularly from early samples. “Among people who were sick
in December, we have less than 20 sequences,” she said. (The National Library of Medicine said that sharing withdrawn data was against its policy.) The Chinese govt’s grip on science continues.
The lab of a Chinese scientist who studies the wildlife trade was recently shuttered while the authorities investigated unfounded concerns that its research related to the origins of the pandemic, according to a scientist outside China who collaborated
on the work.
On April 1, Beijing limited foreign access to the China National Knowledge Infrastructure, an academic portal, curtailing insight into research there. Leaders have urged Chinese scientists to publish in domestic journals rather than international
publications.
And this month, Chinese govt scientists said it was time to start investigating outside China for the virus’s origins.
It was a nod to the widely refuted claim that the pandemic began somewhere else.
https://www.nytimes.com/2023/04/23/world/europe/chinese-censorship-covid.html --
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