📡 Transmission
Bite of infected fleas (bubonic), or respiratory droplets (pneumonic). Yersinia pestis bacteria.
⏱ Incubation period
1–7 days (bubonic), 1–4 days (pneumonic)
🌡 Symptoms
Sudden fever, chills, swollen lymph nodes (buboes). Pneumonic form: severe cough with blood.
🛡 Prevention
Avoid contact with rodents and fleas. Antibiotics for exposed individuals.
💊 Treatment
Streptomycin, gentamicin or doxycycline. Early treatment critical.
📊 Case fatality rate
30–60% untreated; <10% with antibiotics