When scientists first noticed that bats were dying, many different competing hypotheses were proposed. One hypothesis was that the white-nose syndrome (WNS) was a secondary infection caused by an underlying viral infection. Based on this alternate hypothesis, which of the following represents one or more possible predictions?

Correct Answer(s)
A contaminant is causing WNS in the bats.
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If WNS is a secondary infection, then bats exposed to the virus should develop WNS.
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If WNS is a secondary infection, then all WNS bats will be observed to have a viral infection.
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If a contaminant is the cause, then exposure will lead to WNS in the bats.

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If WNS is a secondary infection caused by a viral infection, then WNS should only occur in regions where the specific viral infection is present in the bat population.