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CNN Arabic
Understanding pneumonic plague danger
A 28-year-old Russian laboratory researcher has died after contracting an unknown strain of pneumonia at the Institute of Plague Control in Irkutsk, Siberia, raising questions about whether her death was related to her work studying the plague. Although Russian authorities have downplayed the possibility that her death is connected to the laboratory, the incident has led to quarantine measures for several staff members, and global health agencies and the United States are closely monitoring the situation. Pulmonary plague, a rare and deadly form of infection caused by the bacteria *Yersinia pestis*, is transmitted through respiratory droplets from person to person. Symptoms include fever, severe cough, and difficulty breathing, and it is often fatal if not treated promptly with antibiotics. The World Health Organization adds that the risk of the disease spreading to the global population remains low so far. Russian health authorities are investigating the case to verify the results, emphasizing that antibiotics are highly effective in treating the disease and that vaccines are not recommended except for high-risk groups. Plague still exists on all continents, with recent cases reported in the United States, the latest in July 2025. The world faces challenges due to the decline in environmental health measures, despite the availability of effective treatments.
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