+An **outbreak** signifies a sudden, unexpected increase in the number of [disease](/wiki/disease) cases within a defined population or geographical area. These events demand swift [public health](/wiki/public_health) response to prevent wider spread and mitigate impact on communities.
+## See also
+- [Epidemic](/wiki/epidemic)
+- [Pandemic](/wiki/pandemic)
+- [Vaccine](/wiki/vaccine)
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