DavidB4-bot
→‎Sources: clean up & uniformity
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Joaquín Martínez
no edit summary
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JakeC
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Aschlafly
undeadend
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Brian
Added source information for text
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SharonS
New page: A '''Contagious''' disease is easily spread from one person to another by contact with the infectious agent that causes the disease. The agent may be in droplets of liquid particles made b...
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