A relative of a coronavirus victim in China is demanding to meet a visiting World Health Organization ( WHO ) expert team, saying it should speak with affected families who allege they are being muffled by the Chinese government. China approved the visit by researchers under the auspices of the UN agency only after months of negotiations. It has not indicated whether they will be allowed to gather evidence or talk to families, saying only that the team can exchange views with Chinese scientists. “I hope the WHO experts don’t become a tool to spread lies,” said Zhang Hai, whose father died of Covid-19 on February 1 last year, after travelling to the Chinese city of Wuhan and getting infected. “We’ve been searching for the truth relentlessly,” he said. “This was a criminal act, and I don’t want the WHO to be coming to China to cover up these crimes.” China’s Foreign Ministry did not immediately respond to a request for comment. The WHO team, which arrived in Wuhan on January 14 to investigate the origins of the virus, is expected to begin field work later this week after a 14-day quarantine. Zhang, a Wuhan native now living in the southern city of Shenzhen, has been organising relatives of coronavirus victims in China to demand accountability from officials. Many are angry that the state downplayed the virus at the beginning of the outbreak, and have attempted to file lawsuits against the Wuhan government. Grieving families in Wuhan say China is blocking coronavirus lawsuits The relatives have faced immense pressure from authorities not to speak out. Officials have dismissed the lawsuits, interrogated Zhang and others repeatedly and threatened to fire relatives of those who speak to the foreign media, according to interviews with Zhang and other relatives. Zhang said chat groups of the relatives were shut down shortly after the WHO team’s arrival in Wuhan, and he accused the city government of trying to silence them. “Don’t pretend that we don’t exist, that we aren’t seeking accountability,” Zhang said. “You obliterated all our platforms, but we still want to let everyone know through the media that we haven’t given up.” WHO says its visit to China is a scientific mission to investigate the origins of the virus, not an effort to assign blame, and that “in-depth interviews and reviews” of early cases are needed. It did not immediately respond to a request for comment. China initially rejected demands for an international investigation after the Trump administration blamed Beijing for the virus, but bowed to global pressure in May for a probe into the origins. On Monday, Dr Anthony Fauci, the top infectious disease official in the United States, said at the World Economic Forum that the origins of the virus that has brought the world to its knees are still unknown, “a big black box, which is awful”. China and US clash at WHO over coronavirus investigation in Wuhan The mission was repeatedly delayed by negotiations and setbacks, one of which prompted an unusual public complaint by the WHO head. The arrival of the WHO mission has revived controversy over whether China allowed the virus to spread globally by reacting too slowly in the early days. From the beginning, WHO officials have been trying to get more cooperation from China, with limited success. Audio recordings of internal WHO meetings obtained by the AP and aired for the first time Tuesday show that even while the WHO praised China in public, officials were complaining privately about not getting enough information. US says it has new evidence Covid-19 may have come from a Chinese lab The UN agency has no enforcement powers, so it must rely on the goodwill of member countries. Keiji Fukuda, a public health expert at the University of Hong Kong, has said the visit is an “image building mission” in addition to a scientific one, with China eager to come off as being transparent and the WHO keen to show it’s taking action. “Both China and WHO hope to get some brownie points,” said Fukuda, a former WHO official. “But it all comes down to what will the team have access to. Will they really be able to ask the questions that they want to ask?”