Chain of Infection: Portal of Exit

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Last updated 1:18 AM on 5/26/26
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5 Terms

1
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What is a portal of exit?

A route allowing pathogens to leave the reservoir.

2
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What alimentary routes may act as portals of exit?

Vomiting, diarrhea, and saliva.

3
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What genitourinary route may act as a portal of exit?

Sexual contact.

4
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What respiratory routes may act as portals of exit?

Coughing, sneezing, and talking.

5
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What skin-related route may act as a portal of exit?

Open wounds.