The US is closely monitoring the death of a Russian anti-plague researcher while awaiting key information needed to assess whether any response is necessary, according to the report.
The researcher died after developing pneumonia, but authorities have not established whether pneumonic plague caused the illness or whether it spread beyond the laboratory. Health experts say there is currently no reason for Americans to panic.
Former Trump administration health official David Mansdoerfer said possible US measures could include travel guidance, outreach to Americans in affected areas and screening procedures for travelers.
Johns Hopkins health expert Tom Inglesby said determining the exact diagnosis is critical, including whether any pathogen is resistant to available antibiotics.
Russia has maintained an offensive biological weapons program, according to a 2024 State Department assessment. The CDC has also warned about historical Soviet work involving weaponized, antibiotic-resistant plague bacteria.
Trump said Monday that he was monitoring the situation.
Related Tweet:
Missing details keep U.S. plague response on hold https://t.co/ts7o8LZT1X
— Axios (@axios) October 6, 2026
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