Mystery Death of Russian Plague Lab Worker Raises Questions and WHO Investigation

10/11/2026

WHO unsure what caused pneumonia that killed Russian plague-lab worker in Siberia

10/11/2026

The lab worker fell ill and died in undisclosed circumstances on October 2, prompting authorities to quarantine about 200 people and causing public health fears on social media.

10/11/2026

The World Health Organisation says no case of plague has been registered

10/11/2026

Russian authorities are trying their hardest to dispel global worries after a young woman, who worked at a Siberian anti-plague laboratory, died under mysterious circumstances. While officials...

10/10/2026

The World Health Organization said on Saturday that it still does not know what caused the pneumonia that killed a Russian lab worker at an anti-plague research center in Siberia

10/10/2026

The World Health Organization said on Saturday that Russia's state health regulator confirmed the death of a lab worker at a plague research facility in Siberia and had informed the

10/10/2026

The World Health Organization said Saturday it still doesn't know what caused the death of a young worker at a lab in Russia that focuses on plague and other illnesses.

10/10/2026

Experts said they believed that with modern testing technology, the Russian authorities should know the answer by now.

10/09/2026

A global treaty signed by 197 countries — including Russia — requires reporting any death that could be a sign of an outbreak to come. (Image credit: Tatyana Makeyeva/AFP)