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Question
Pathogenic strains of Escherichia coli usually expressA) capsules.
B) colonization factor antigens (CFA).
C) plaques.
D) slime layers.
Answer
This answer is hidden. It contains 1 characters.
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Which of the following statements about chlamydial infections is TRUE?
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Cholera is an example of a pandemic disease that
A) has multiple wild animal reservoirs and is thus difficult to eradicate.
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C) is spread through direct contact and has only a human reservoir.
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C) the vector is seasonal.
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