Yersinia Pestis

What Is Yersinia Pestis?

Yersinia pestis is a gram-negative coccobacillus bacterium responsible for plague (bubonic, septicemic, pneumonic) and classified by the CDC as a Category A Bioterrorism Agent due to high mortality, potential for aerosol dissemination, and person-to-person pneumonic transmission.

Why Yersinia Pestis Matters on the Fireground

Pneumonic plague has an incubation period of 1 to 6 days and spreads via respiratory droplets, causing fever, severe pneumonia, hemoptysis (coughing blood), and rapid respiratory failure. Early recognition and quarantine are vital.

Relevant NFPA Standards

• NREMT Standards: National Registry of Emergency Medical Technicians Practice Standards
• NFPA 455: Standard for Emergency Medical Services (EMS)

Field Procedures & Tactical Steps

1. Identify suspicious disease clusters featuring rapid-onset fever, hemoptysis, and respiratory collapse.
2. Don PAPR or N95 respirator, fluid-resistant coveralls, nitrile gloves, and eye protection.
3. Isolate suspected patients in negative-pressure isolation rooms or establish strict quarantine perimeters.
4. Notify local public health, CDC, and FBI WMD coordinators immediately.
5. Initiate prophylactic antibiotic protocols (Doxycycline or Ciprofloxacin) for exposed personnel per medical direction.

Common Context & Application

Evaluated by Hazmat/CBRN teams, public health agencies, and TECC personnel during suspected biological warfare or outbreak investigations.

Frequently Asked Questions about Yersinia Pestis