portal of exit


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Related to portal of exit: portal of entry

portal of exit

The pathway by which pathogens leave the body of a host (e.g., respiratory droplets, feces, urine, blood).
See also: portal
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References in periodicals archive ?
The third link in the chain is the portal of exit, that is - the route that the agents take out of the reservoir, thereby causing disease to other hosts.
It is performed to remove organisms from the skin and to prevent microorganisms using the skin as a portal of exit from one person to another.