President Donald Trump said on October 7 that the U.S. does not believe the death of a 28-year-old worker at Russia's Irkutsk anti-plague institute involved a bioweapon — even as the WHO admitted it still doesn't know what killed her. Darya Shipilova died between October 1 and 2 of severe pneumonia, prompting Russia to quarantine roughly 200 contacts and a week of speculation about plague and bioweapons.
Trump rules out bioweapon link in Russian plague death: what he said
Asked in the Oval Office on Wednesday whether a "bio-weapon" could be involved, Trump was blunt: "We don't think so. We're going to find out soon enough, but we don't think so." The question has lingered because of where Shipilova worked — a plague-study facility — and Russia's quarantine of roughly 200 contacts.
Trump said Moscow had assured Washington it was under control, but added: "If you listen to them, it's under control. But you know, people have said that before about other things." Then the jab: "China didn't say much, and Russia is not saying much either."
Otherwise he stayed cooperative — "very sophisticated, very smart" Russians, a Putin call set up (October 7 was Putin's birthday), and: "They're sharing information a little bit with our people. We expect them to share it a lot with our people," per the New York Post.
What Russia says: "false information," no plague found
Moscow's answer was dismissal. Kremlin spokesman Dmitry Peskov said "the vast majority of what the media is reporting regarding this situation is false information" — and knocked down reports of a second plague case.
Rospotrebnadzor's Tuesday account: no plague among contacts, no work-linked microorganisms in her body, no infectious diseases among staff in 10 days — only COVID-19 and rhinovirus. Officials cite nearly 5,000 tests, 90% of the quarantined released, and say Shipilova was vaccinated against the infections she handled.
Unanswered: the actual cause — Moscow's diagnosis stays "pneumonia of unknown aetiology." Unverified: the September 25 broken test-tube report and a maternity hospital quarantine, neither confirmed by officials.
WHO Russia plague investigation update: cause still unknown
The WHO isn't letting it close. Wednesday, Director-General Tedros Adhanom Ghebreyesus said the agency asked Russia to answer media reports — two outlets, one Russian — of a second employee with pneumonia of undetermined cause: "We cannot ignore any reporting that comes."
Maria Van Kerkhove, the WHO's epidemic chief, was blunter: the agency doesn't know the "causative agent." "We don't understand how she was infected," she said, demanding timely data on testing, the quarantine rationale, and those monitored.
The gap has consequences: the WHO is "not able to conduct a full risk assessment" — striking, a week in. Its spokesman added Russia never filed formal notification through International Health Regulations channels; the EU has joined the transparency calls.
U.S. response: Rubio's warning and the CDC's calm
A day earlier in Iceland, Marco Rubio called it "irresponsible to speculate while we still do not have all the information verified," while insisting "Russia clearly has an obligation to share more information with the world": "It could turn out to be nothing, or it could be a bigger problem than we thought."
A formal démarche is being prepared, and Reuters reported a U.S. complaint was already lodged. The CDC is calm: Director Erica Schwartz called U.S. risk "extremely low," with traveler monitoring including a JFK screening station. About 200 people a year travel from the Siberian region to the U.S.; direct flights are suspended since 2022.
Why it matters
A young scientist dies at a plague-research facility; the official cause is "unknown"; Moscow releases fragments and calls the rest fake — the pattern behind years of COVID-origins argument, which Trump himself invoked. The bioweapon question needs care: no confirmed bioweapon, plague, or outbreak — only unverified speculation. But "under control" doesn't close the file while the WHO can't name the pathogen.
What happens next
Three things decide it: the promised Trump-Putin call and whether Moscow shares the WHO's requested testing data; whether the "second case" reports get answered or buried; and the U.S. démarche plus traveler monitoring keeping pressure on. If Russia's story holds, this fades. If new cases surface or the agent turns out undisclosed, it gets much bigger. Watch what Russia shares, not what it says.
Key Takeaways
- Trump said October 7 the U.S. doesn't believe Shipilova's death involved a bioweapon — but Moscow "is not saying much."
- Rospotrebnadzor says testing found no plague in the worker or her contacts; the Kremlin calls most media reporting "false information."
- The WHO still doesn't know the causative agent and can't complete a risk assessment without Moscow's data.
- About 200 contacts were quarantined or monitored; officials say 90% were released after nearly 5,000 tests.
- The broken test-tube claim, a second case, and a maternity hospital quarantine remain unconfirmed or officially denied.
Frequently Asked Questions
Is the Russian plague a bioweapon?
No confirmed evidence supports that. Trump said October 7 the U.S. does not believe a bioweapon was involved, and Russia's watchdog says testing found no plague-linked pathogens in the worker or contacts. Public speculation by U.S. scientists remains hypothesis, not finding.
What caused Russian lab worker Darya Shipilova's death?
Nobody outside Russia knows. Officials say the 28-year-old died between October 1 and 2 from "pneumonia of unknown aetiology" after September 29 hospitalization. The WHO still doesn't know the "causative agent." Independent outlets reported a broken plague test tube on September 25 — unconfirmed by officials.
Was the Siberian lab worker confirmed to have died from plague?
No. Rospotrebnadzor said Tuesday that testing found no work-linked microorganisms in her body or among her contacts, and no infectious diseases among institute staff in the previous 10 days. Only COVID-19 and rhinovirus turned up in contact testing — neither explains a fatal pneumonia.
Why did Russia quarantine 200 people if there was no plague?
That mismatch raised the alarms. Officials called the measures precautionary and say 90% of those monitored were released. But independent outlets reported wider restrictions, including at a maternity hospital, and the WHO still wants the rationale explained. Scale versus "nothing found" is the central tension.
What is the WHO asking Russia to provide?
Testing details, the quarantine rationale, the status of those monitored, and a response to reports of a second employee with pneumonia of undetermined cause. Tedros said the WHO got that report from two outlets and formally asked Moscow to answer. Without the data, no full risk assessment is possible.
What happens if Russia doesn't share more information?
Pressure is building: a U.S. démarche is being prepared, a diplomatic complaint was reportedly lodged, and the EU demands transparency. Rubio warned it "could turn out to be nothing, or it could be a bigger problem than we thought." Continued silence deepens the standoff — and keeps speculation alive.
Sources
- Al Jazeera: Russia dismisses reports of second plague case as 'false information'
- Associated Press via Newsmax: Trump: No Sign Russian Plague Case Involved Bioweapon
- AFP via The Straits Times: Trump on Russian plague bio-weapon claims
- New York Post: Trump tamps down speculation Russia plague lab worker died from bioweapon
- Yeni Safak: Trump rules out bioweapon link to Russian plague death
- GlobalDeskNews: Trump wants Iran strike options before decision
- GlobalDeskNews: Trump awards Musk science medal
- GlobalDeskNews: Trump accounts — what to know