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Brill Zinsser Disease C0006181

Published: July 22, 2026Updated: August 20, 2026

Brill-Zinsser disease is a recurrent episode of typhus fever that can occur years after initial infection. It responds well to antibiotics and is typically milder than the original illness.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
B99.9
ICD-11
1A00.0
Body system
infectious
Severity
moderate
Chronic
true

Medication Comparisons

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy