Outbreak vs Pandemic

When to use each in English, with meaning, register, and examples.

 OutbreakPandemic
MeaningA sudden start of something, especially a disease.A widespread disease that affects many people at once.
CEFR levelC1-
Part of speechnoun
Usage notesCommonly used in health contexts to describe the sudden occurrence of diseases. Avoid overly technical medical terms when discussing with general audiences.Use 'pandemic' in neutral contexts, often related to health situations. Avoid in informal conversations unless discussing health issues.

Frequently asked questions: Outbreak vs Pandemic

What's the difference between "Outbreak" and "Pandemic"?

"Outbreak" means: A sudden start of something, especially a disease. "Pandemic" means: A widespread disease that affects many people at once.

When should I use "Outbreak" and "Pandemic"?

They can all be used in everyday English.

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