Patients with plague may develop meningitis (infection and swelling of the brain), septic shock (a serious system-wide blood infection), tissue death and bleeding, and swelling around the heart. All may lead to death.
- The death rate is about 13% for those treated for bubonic plague.
- A person with primary or secondary septicemic plague (infection is active in the bloodstream and the patient has shock symptoms) has an approximate 40% death rate, even when treated.
- Pneumonic plague has about a 100% death rate if not treated within the first 24 hours.
Medically Reviewed by a Doctor on 8/7/2013
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