For a successful emergence or re-emergence to occur, a pathogen must be introduced into a vulnerable population and have the ability to spread readily from person-to-person causing disease.

Question

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This statement is true. To result in an emergence or re-emergence, a pathogen must have both the opportunity to infect a vulnerable population and the ability to spread easily from person to person, causing disease.

For a Successful Emergence or Re-Emergence to Occur, a Pathogen