Vaccine Incident · Full chronicle and history

The World Health Organization says it has been in touch with Russian authorities and is tracking developments following the death of a female staff member at a plague research center in the Irkutsk region of Siberia.

Russian officials said that 5000 tests had been carried out on the relevant laboratory and no dangerous pathogens were found, while the World Health Organization continues to press Russia for information.

The U.S. Embassy in Moscow publicly announced deaths from a rat lung disease and quarantine measures, calling on U.S. citizens to cancel trips to Russia immediately or leave as soon as possible.

Researchers died at an anti-plague research institute in Siberia, Russia, and nearly 200 people are under medical observation. Trump said at the White House that he is following the matter and is ready to provide assistance at any time.

A 28-year-old female researcher in Siberia, Russia, is suspected to have died of plague or an unknown lung disease contracted in a laboratory accident, triggering local quarantine and official post deletions and censorship.

Daria, a 28-year-old female lab technician at Russia's Irkutsk Plague Research Institute, died of severe pneumonia. The laboratory had previously handled Yersinia pestis and may have broken a test tube.

According to data released by the Ministry of Health of the Democratic Republic of Congo on October 1, the country's Ebola outbreak has killed more than 4,000 people, making it the fastest-spreading outbreak in history.

According to sentinel surveillance data from the Chinese Center for Disease Control and Prevention, in the 29th week of 2026 (July 13 to 19), the COVID-19 test positivity rate in China surpassed that of influenza, remaining the leading respiratory pathogen for several consecutive weeks.

Some communities in Huizhou, Guangdong, have set up nucleic acid monitoring points due to confirmed cases of Chikungunya fever, requiring full nucleic acid testing, which has caused panic among netizens.

Guangzhou's large-scale mosquito eradication campaign triggers public skepticism and satirical associations

A dead pig that drifted ashore from the seabed and tested positive for African Swine Fever was found on the coast of Kinmen. Starting today, Kinmen pork and processed products are banned from being shipped to the main island and other outlying islands.

On August 13, 2026, the Chinese Center for Disease Control and Prevention reported 522,000 new confirmed COVID-19 cases nationwide in July, including 487 severe cases and 1 death, 6.6 times the figure for June.

WHO Director-General Tedros Adhanom Ghebreyesus warned that the Ebola outbreak in the Democratic Republic of the Congo is spreading at an unprecedented rate; government data shows 3,874 confirmed cases and 1,751 deaths.

Jean Kaseya, Director of the Africa CDC, visited the Democratic Republic of the Congo, stating that they will work with the World Health Organization to trace cases and contacts, protect medical personnel, and strengthen community testing and care.

MedSci reported that a doctor in Liaoning revealed that recently COVID-19 and influenza A and B cases have broken out in clusters in the department, and antiviral drug consumption has surged.

China's Center for Disease Control and Prevention released monitoring data showing that the positivity rate of COVID-19 tests rose from July 20 to July 26, up 4 percentage points compared with the previous week, with the dominant strain being NB.1.8.1.

China's Center for Disease Control and Prevention announced on July 30 that from July 20 to 26, the COVID-19 positivity rate among influenza-like cases in outpatient and emergency visits at sentinel hospitals nationwide rose to 20.3%, up 4 percentage points from the previous week.

On July 30, 2026, the Chinese Center for Disease Control and Prevention released surveillance data showing that the positivity rate for COVID-19 among influenza-like cases in outpatient and emergency departments of sentinel hospitals nationwide climbed to 20.3%, with fever clinic patients increasing significantly in Guangdong, Henan and many other places.

A restaurant owner in Guangxi posted on WeChat Moments that all staff in the restaurant had been infected with COVID-19, so the restaurant took a break and closed down, with the reopening time to be determined.

WHO Director-General Tedros Adhanom Ghebreyesus stated that a confirmed case of Ebola has been discovered in mainland France. The patient is a doctor who returned from the Democratic Republic of the Congo, but the global risk remains low.

A non-governmental organization medical worker who cared for Ebola patients in the Democratic Republic of the Congo has been diagnosed after returning to France and is currently under monitoring and treatment.

Health officials in the Democratic Republic of the Congo say that since the outbreak began in mid-May, at least 3,800 cases and approximately 1,707 deaths have been confirmed, with more than 700 patients currently in isolation and treatment.

The joint expert team from China and the WHO held a press conference in Beijing, praising the public health response measures taken by China for effectively blocking human-to-human transmission of the virus.

Leo Poon, an expert at the HKU WHO reference laboratory, instructed Yan Limeng to conduct a confidential investigation into the novel virus outbreak in Wuhan, while warning her not to cross the red line.