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C/Contagion
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Visual memory aid for Contagion

Contagion

The spread of a disease or harmful influence from person to person by close contact or through contaminated objects; also the disease itself in its process of spreading.

noun
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Imagine This

Imagine a crowded subway car where one passenger coughs. In the minutes that follow, several other riders start showing symptoms, illustrating how contagion can spread from one person to another in a shared space.

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Sounds Like

kun-TAY-jən

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Looks Like

Looks like contagious (the related adjective) and hints at spread by contact.

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Remember This

Contagion is about spreading through contact or proximity. The noun describes the spread itself or the disease in motion; the adjective contagious describes something that can spread.

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Other Forms

contagiousadjective
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Connect With

infection, transmission, outbreak, epidemic, spread

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Note

Do not confuse contagion with poison or toxin. Contagion refers to transmission of disease or influence, not a chemical substance. In medical contexts, transmission mode (airborne, droplet, contact) is often specified.

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Study Deeper

Examples
  • The contagion spread quickly through the city after the festival.
  • Public health officials traced the contagion to a contaminated surface and urged cleaning and quarantine measures.
Synonyms
infectiontransmissionoutbreakspread
Antonyms
immunityprotectionsafety
Etymology

From Latin contagio, from con- 'together' + tangere 'to touch' (the idea of touching together or transmission through contact).

Mnemonic

Mnemonic: Contagion = Contact + Action. Remember that contagion spreads through contact, turning contact into transmission.