Shanghai, Apr 30: The first scientist to publish a sequence of the COVID-19 virus in China staged a sit-in protest outside his lab after authorities locked him out of the facility — a sign of the Beijing's continuing pressure on scientists conducting research on the coronavirus.

Zhang Yongzhen wrote in an online post Monday that he and his team had been suddenly notified they were being evicted from their lab, the latest in a series of setbacks, demotions and ousters since the virologist published the sequence in January 2020 without state approval.

When Zhang tried to go to the lab over the weekend, guards barred him from entering. In protest, he sat outside on flattened cardboard in drizzling rain, pictures from the scene posted online show. News of the protest spread widely on Chinese social media and Zhang told a colleague he slept outside the lab — but it was not clear Tuesday if he remained there.

"I won't leave, I won't quit, I am pursuing science and the truth!” he wrote in a post on Chinese social media platform Weibo that was later deleted.

In an online statement, the Shanghai Public Health Clinical Center said that Zhang's lab was being renovated and was closed for “safety reasons.” It added that it had provided Zhang's team an alternative laboratory space.

But Zhang wrote online that his team wasn't offered an alternative until after they were notified of their eviction, and that the lab offered didn't meet safety standards for conducting their research, leaving his team in limbo.

Zhang's latest difficulty reflects how China has sought to control information related to the virus: An Associated Press investigation found that the government froze meaningful domestic and international efforts to trace it from the first weeks of the outbreak. That pattern continues to this day, with labs closed, collaborations shattered, foreign scientists forced out and Chinese researchers barred from leaving the country.

When reached by phone on Tuesday, Zhang said it was “inconvenient” for him to speak, saying there were other people listening in. In an email Monday to collaborator Edward Holmes seen by AP, Zhang confirmed he was sleeping outside his lab after guards barred him from entering.

An AP reporter was blocked by a guard at an entrance to the compound housing Zhang's lab. A staff member at the National Health Commission, China's top health authority, said by phone that it was not the main department in charge and referred questions to the Shanghai government. The Shanghai government did not immediately respond to a request for comment.

Zhang's ordeal started when he and his team decoded the virus on Jan. 5, 2020, and wrote an internal notice warning Chinese authorities of its potential to spread — but did not make the sequence public. The next day, Zhang's lab was ordered temporarily shut by China's top health official, and Zhang came under pressure by Chinese authorities.

Around the time, China had reported several dozen people were being treated for a respiratory illness in the central city of Wuhan. Possible cases of the same illness had been reported in Hong Kong, South Korea and Taiwan involving recent travelers to the city.

Foreign scientists soon learned that Zhang and other Chinese scientists had deciphered the virus and called on China to release the sequence. Zhang published it on Jan. 11, 2020, despite a lack of government permission.

Sequencing a virus is key to the development of test kits, disease control measures and vaccinations. The virus eventually spread to every corner of the world, triggering a pandemic that disrupted lives and commerce, prompted widespread lockdowns and killed millions of people.

Zhang was later awarded prizes in recognition for his work.

But Zhang's publication of the sequence also prompted additional scrutiny of his lab, according to Holmes, Zhang's collaborator and a virologist at the University of Sydney. Zhang was removed from a post at the Chinese Center for Disease Control and Prevention and barred from collaborating with some of his former partners, crippling his research.

“Ever since he defied the authorities by releasing the genome sequence of the virus that causes COVID-19 there has been a campaign against him,” Holmes said. “He's been broken by this process and I'm amazed he has been able to work at all.”

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New Delhi (PTI): Leaders from Ladakh on Saturday welcomed climate activist Sonam Wangchuk's release from Jodhpur jail and demanded the release of remaining detainees.

Wangchuk was released from prison on Saturday after the Union government revoked his detention with immediate effect.

Ladakh MP Mohamad Hanifa hailed his release and urged the government to accept their demands for statehood and protection under the Sixth Schedule of the Constitution.

"We welcome the release of Sonam Wangchuk. But others also need to be released, and the government should also take back the cases filed against people who participated in the protests," Hanifa told PTI.

The Union Home Ministry, in its statement, commented on the law and order situation in the Union Territory.

"... prevailing atmosphere of bandhs and protests has been detrimental to the peace-loving character of the society and has adversely affected various sections of the community, including students, job aspirants, businesses, tour operators and tourists and overall economy," it said.

Hanifa, however, said protest is a Constitutional right, and urged the government to resolve the issue through dialogue.

"If our voice is not heard in any other way, then there is another way to protest. We have always protested peacefully from day one, and we believe in peaceful protests. This is to make our voice reach the government," he said.

"We have always said that we want a solution to these issues through dialogue," he said.

Kargil-based politician and Kargil Democratic Alliance (KDA) member Sajjad Kargili, in a post on X, demanded the immediate release of Deldan Namgial and Smanla Dorjey, and appealed to the government to drop all charges against other detainees unconditionally.

"The revocation of NSA against Shri Sonam Wangchuk is a welcome move. However, our struggle of our legitimate rights continues," he said.

Wangchuk was detained on September 26, 2025, two days after protests over demands for statehood for Ladakh and its inclusion under the Sixth Schedule of the Constitution rocked Leh.

More than 45 people, including 22 policemen, were injured in the protests.