If you or someone near you develops sudden fever, chills, cough (especially with bloody sputum), chest pain, difficulty breathing or painful swollen lymph nodes after possible exposure in the Irkutsk region, call 112 or 103 immediately, mention possible plague exposure, and limit contact with others. Plague is treatable with prompt antibiotics. Do not self-medicate on the basis of this site. plaguetracker.com aggregates unverified reports and is not medical advice.