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DavidB4-bot

→‎top: HTTP --> HTTPS #3, replaced: http://www.cdc.gov → https://www.cdc.gov

DeborahB.

Reverted edits by Jayjay (Talk); changed back to last version by Jazzman831

Jayjay

various grammatical changes

Jazzman831

no edit summary

Brian

Added source information for text

Aschlafly

New page: An outbreak in medical terminology means a sudden appearance of a disease in a specific geographic area (e.g. neighborhood or community) or population (e.g. adolescents).