Pontiac fever

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Pontiac fever

ORPHA:99748Disease

Also called Non-pneumonic Legionnaires' disease

What it is

Pontiac fever (PF) is a mild form of legionellosis manifesting with flu-like symptoms such as nausea, myalgia, fever, cough and headache but without pneumonia.

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Disease

Signs and symptoms

Very common80–99%

3

Common30–79%

2

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

ICD-10 codes

A48.2ICD-10 names this disease exactly

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MEDDRA 10054161MONDO 0020487UMLS C0343528

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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