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He had tested negative for Covid-19 the day before; his hotel had confirmed he could be checked in; and the health code on his phone app was green — meaning he had not been exposed to people or places deemed risks and was therefore free to travel.
But when Liu scanned a local QR code to exit the Zhengzhou train station, his health code came back red — a nightmare for any traveler in China, where freedom of movement is strictly dictated by a color-code system imposed by the government to control the spread of the virus.
Anyone with a red code — usually assigned to people infected with Covid or deemed by authorities to be at high risk of infection — immediately becomes persona non grata. They are banned from all public venues and transport, and are often subject to weeks of government quarantine.
That all but derailed plans for Liu, who had come to Zhengzhou, the provincial capital of Henan province, to seek redress from a bank that has frozen his deposits. He had put his life savings — totaling about 6 million yuan ($890,000) — into a rural bank in Henan, and since April hasn’t been able to withdraw a penny.
Over the past two months, thousands of depositors like Liu have been fighting to recover their savings from at least four rural banks in Henan — in a case that involves billions of dollars. In late May, hundreds of them traveled to Zhengzhou from across China and staged a protest outside the office of the Henan banking regulator to demand their money back — to no avail.
Another protest was planned for Monday. But as the depositors arrived in Zhengzhou, they were stunned to find that their health codes — which were green upon departure — had turned red, according to six who spoke with CNN and social media posts.
Dozens of depositors were taken into a quarantine hotel guarded by police and local officials, before being sent away on trains bound for their hometowns the next day; others were “quarantined” at several other locations in the city, including a college campus, according to the witnesses and online posts.
Depositors accused Zhengzhou authorities of tampering with the health code system to prevent them from returning to the city — and thus thwarting their plans to fend for their rights.
“The health code should have been used to prevent the spread of the pandemic, but now it has deviated from its original role and become something like a good citizen certificate,” said Qiu, a depositor in eastern Jiangsu province.
Qiu, a teacher, had not been to Henan to protest, but his health code also turned red on Sunday evening after he scanned a QR code from Zhengzhou. He said a fellow depositor had shared a photo of the Zhengzhou QR code on the WeChat messaging app, in an attempt to find out whether depositors outside Henan were also affected.
The red code seems to target only depositors. Qiu used his wife’s phone to scan the QR code, and it came back green, he said. “I called the government hotline in Zhengzhou to complain about my red code, and they told me there was some error with the Big Data information database.”
Liu and Qiu both asked to be identified only by their surnames.
CNN has reached out to the Zhengzhou government for comment. The Henan Provincial Health Commission told state-run news website thepaper.cn it was “investigating and verifying” the complaints from depositors who received red codes.
The alleged abuse of power sparked an outcry on social media.
“Now (the authorities) can stop you from petitioning by directly putting digital shackles on you, aka giving you red codes,” said one comment on Weibo, China’s Twitter-like platform.
Hu Xijin, the former editor-in-chief of the Global Times, a state-run nationalist tabloid, said on Weibo that local governments should not use health codes for any purposes other than epidemic prevention.
“If any locality tries to prevent the movement of certain people by controlling their health codes for other purposes, it’s not only a clear violation of Covid prevention laws and regulations, but also will jeopardize the credibility of the health codes and the public’s support for epidemic prevention,” Hu wrote on Tuesday. “It’ll do more harm than good to our social governance.”
Rights groups have long warned that China’s omnipresent Covid surveillance and tracking network could be used by authorities to target individuals and groups for political reasons, such as suppressing dissent.
Last November, Xie Yang, a human rights lawyer in the southern city of Changsha, said on Twitter that his health code turned red on the morning he was about to board a flight to Shanghai to visit the mother of Zhang Zhan, a citizen journalist imprisoned for reporting on China’s initial coronavirus outbreak in Wuhan.
“The health code, like many algorithmic-based systems in China and around the world, lacks transparency. Exactly how companies designed the app and the criteria they use to categorize people remain unclear … It is also hard to know whether the system allows local governments to tamper with it as a means to prevent protests,” said Maya Wang, a researcher at Human Rights Watch who has studied China’s digital surveillance.
“The opacity of the health code, the ability of it to arbitrarily control people’s movement while giving people few means to effectively appeal the app’s decision, makes it an especially abusive system.”
Code turns green again
From the Zhengzhou train station, Liu, the depositor from Beijing, was taken to a room where several other travelers with red health codes were present.
There, he met another depositor who had traveled from Anyang, another city in Henan, and the two of them were then escorted by police to a quarantine hotel. By the evening, about 40 depositors — all with red health codes — had ended up at the hotel, and were told to stay the night there.
The following afternoon, he was allowed to leave the hotel and return to Beijing — escorted by police and local officials until he boarded the train. He was exempted from scanning any QR codes on the way — because his code was still red and according to Covid rules, he would not have been allowed to enter the train station, let alone travel.
On Tuesday, as news and anger about the red health codes spread online, some depositors said their health codes had turned green again.
Liu’s code also turned green by the late afternoon, but he said he wants accountability.
“Officials who made the decision (to tamper with the health code system) and who carried out the policy should receive their punishment according to law,” he said. “But I’m not too optimistic about that. The government’s power is too capricious.”