Contagious: Flu


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About contagion: Contagion and contagiousness refers to how easily the spread of Flu is possible from one person to another. Other words for contagion include "infection", "infectiousness", "transmission" or "transmissability". Contagiousness has nothing to do with genetics or inheriting diseases from parents. For an overview of contagion, see Introduction to Contagion.

Contagiousness properties of Flu:
  Contagious overall?: Yes
  Contagious by droplet?: Yes
  Contagious from kissing?: Yes
  Contagious from saliva?: Yes

Contagion summary: You can get the flu if someone around you who has the flu coughs or sneezes. You can get the flu simply by touching a surface like a telephone or door knob that has been contaminated by a touch from someone who has the flu. The viruses can pass through the air and can enter your body through your nose or mouth. If you've touched a contaminated surface, they can pass from your hand to your nose or mouth. 1

You can spread the flu to others before your symptoms start and for another three to four days after your symptoms appear.1

Footnotes:
1. excerpt from The Flu, NIAID Fact Sheet: NIAID

Last revision: May 30, 2003

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