Date: 5 October 2026 Tags: Russia, Health, Travel, Disease Summary: Concerns have emerged over a suspected plague case following the death of Russian laboratory researcher Daria Shipilova, 28. Shipilova worked with Yersinia pestis, the bacterium responsible for plague, at an anti-plague institute in Irkutsk. She entered hospital on 29 September and died on 2 October from what Russian authorities called unexplained pneumonia. Russian authorities deny a plague outbreak and say