Page history

DavidB4-bot

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

AugustO

Reverted edits by TheAmericanRedoubt (talk) to last revision by HelpJazz

TheAmericanRedoubt

no edit summary

HelpJazz

bold subject

Fox

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

Jayjay

various grammatical changes

Brian

Added source information for text

Aschlafly

New page: Pathogens are organisms (e.g. bacteria, viruses, parasites and fungi) that cause disease in human beings.