Bubonic plague
Also called: black death
A rare but serious bacterial infection that's transmitted by fleas.
- Treatable by a medical professional
- Requires a medical diagnosis
- Lab tests or imaging always required
- Short-term: resolves within days to weeks
- Critical: needs emergency care
The bubonic plague is caused by the bacteria Yersinia pestis. It can spread through contact with infected fleas.
Extremely rare: Fewer than 1,000 US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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Apr 20, 2023 · Bubonic plague. Bubonic plague causes swelling of lymph nodes. These are small, bean-shaped filters in the body's immune system. A swollen lymph ...