Bubonic Plague Transmission: Fleas, Rodents, and Prevention
Primary Route
Infected flea bites. Fleas acquire Yersinia pestis from rodents (rats, natural reservoirs).
Pathology
Bacteria enter skin → swollen, tender lymph nodes (buboes) in axilla, groin, neck from accumulated infected fluid and immune cells.
Other Routes (Less Common)
- Direct contact with infected animals/humans
- Inhalation of respiratory droplets
Prevention
- Rodent control
- Sanitation
- Insecticides to reduce fleas
- Early detection/treatment of cases
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