WHO Demands More Data After Russian Lab Worker Dies of Pneumonia
Laboratory Worker Death in Siberia
Last Friday, the 2nd of October, the first media reports emerged of a suspected case of pneumonic plague in a laboratory worker at the Irkutsk Antiplague Research Institute in the Russian Federation. [1] The lab worker died after being hospitalized with severe pneumonia. [1] Initial media reports suggested pneumonic plague following an accidental lab exposure. [1] The deceased worker was 28-year-old Darya Shipilova. [3] Russian authorities have described her illness as pneumonia of unknown cause and have not confirmed plague. [3] The controversy follows the death of 28-year-old Darya Shipilova, a worker at the Irkutsk Anti-Plague Research Institute in Siberia, who developed pneumonia and died last week. [3] Russian authorities have described her illness as pneumonia of unknown cause and have not confirmed that she had plague. [3]
WHO Seeks Clarification from Russia
WHO Director-General Tedros Adhanom Ghebreyesus stated on 7 October 2026 that the agency does not have enough information to determine the cause or conduct a full risk assessment and has requested further details from Russian authorities. [3] WHO is aware of the reports. [1] Tedros said the organisation had received reports of the suspected second case and had asked Russian authorities for more information. [3] The WHO has said it still does not have enough information to determine what caused Shipilova’s illness and has asked Russia for further details, including information related to the reported second pneumonia case. [3] WHO Director-General Tedros Adhanom Ghebreyesus said the agency does not yet have enough information to fully assess the situation. [3] “We don’t yet have the full picture of this event and we’re not able to conduct a full risk assessment,” Tedros said. [3] WHO official Maria Van Kerkhove said the agency was also seeking details about the illness that killed the first worker. [3] “We don’t understand how she was infected,” she said, adding that WHO wants to establish what caused the woman’s illness and death. [3]
Russian Response and Denials
Reports have emerged of a suspected second case of pneumonia of undetermined cause at the same institute. [3] The Kremlin has rejected this as false information and urged reliance on Russia's health watchdog Rospotrebnadzor. [3] Kremlin spokesperson Dmitry Peskov denounced many media reports as false. [3] Russia has dismissed reports of a second suspected plague case in Siberia as “false information”. [3] Kremlin spokesman Dmitry Peskov rejected the reports, saying the “vast majority” of media coverage about the situation was false. [3] “There is a great deal of media coverage, and the vast majority of what the media are reporting about this situation is false information,” Peskov said, urging people to rely on information from Russia’s health watchdog Rospotrebnadzor. [3] Rospotrebnadzor maintains that testing found no dangerous pathogens and there is no epidemic risk to the population. [3] Rospotrebnadzor has maintained that testing has found no dangerous pathogens and that there is no epidemic risk to the population. [3] The reported second case has not been independently confirmed as plague. [3]
Expert Concerns and Questions
Former CDC Director Dr. Robert Redfield told Newsmax that questions surrounding the death are 'not adding up' and raise the possibility that scientists were working on something else. [2] Dr. Robert Redfield, former director of the Centers for Disease Control and Prevention, told Newsmax on Wednesday that questions surrounding the death of a laboratory worker after a reported accident involving plague research in Russia raise the possibility that scientists were working on something else. [2]
US CDC Assessment and Monitoring
The US CDC sees low plague risk and is monitoring arrivals from Siberia. [4] The US CDC sees low plague risk, monitors Siberia arrivals after worker death. [4]
Ongoing Information Gap
The WHO has sought further information from Russia over reports of a second employee at the Irkutsk Anti-Plague Research Institute developing pneumonia of an undetermined cause. [3] WHO Director-General Tedros Adhanom Ghebreyesus said the agency does not yet have enough information to fully assess the situation. [3] “We don’t yet have the full picture of this event and we’re not able to conduct a full risk assessment,” Tedros said, stressing the need for timely and transparent information from Russian authorities. [3]
What to watch next: WHO continues to seek timely and transparent information from Russian authorities to understand the infection source and assess any risks.
