A. Plague
B. Severe pneumonia of unknown origin
C. Tuberculosis
D. COVID-19

Explanation:

Darya Shipilova, a 28-year-old laboratory worker, died on October 2, 2026, after developing severe pneumonia.

Russian authorities had not confirmed plague as the cause of her death, although she worked at an anti-plague research institute.

The case attracted attention because the institute researches plague and other infectious diseases.

Related Questions & Answers

Q1. Who was the laboratory worker who died in the Russia case?
Answer: Darya Shipilova.

Q2. How old was Darya Shipilova?
Answer: 28 years old.

Q3. When did Darya Shipilova die?
Answer: October 2, 2026.

Q4. Where did the incident take place?
Answer: Irkutsk, Siberia, Russia.

Q5. At which institute did Darya Shipilova work?
Answer: Irkutsk Anti-Plague Research Institute of Siberia and the Far East.

Q6. What was reported as the cause of her death?
Answer: Pneumonia of unknown origin (unknown etiology).

Q7. Was plague confirmed as the cause of her death?
Answer: No. Russian authorities had not confirmed plague as the cause.

Q8. What disease does the institute mainly research?
Answer: Plague and other infectious diseases.

Q9. Which bacterium causes plague?
Answer: Yersinia pestis.

Q10. Which type of plague primarily affects the lungs?
Answer: Pneumonic plague.

Q11. How can pneumonic plague spread from person to person?
Answer: It can spread through respiratory droplets from an infected person.

Q12. What organ is mainly affected by pneumonia?
Answer: The lungs.

Q13. What happens to the lungs during pneumonia?
Answer: The air sacs can become inflamed and fill with fluid or pus, making breathing difficult.

Q14. What are common symptoms of severe pneumonia?
Answer: Fever, cough, chest pain, difficulty breathing, and low oxygen levels.

Q15. Which international organization requested more information about the Russia case?
Answer: The World Health Organization (WHO).