Which of the Following Is Not Correct Concerning the Plague

question 78

Multiple Choice

Which of the following is not correct concerning the plague?

• A)Mice, voles, and other rodents are primary long-term reservoirs.
• B)It is transmitted by flea vectors.
• C)Less than 10 cases per year occur in the U.S.
• D)The etiological agent is Yersinia pestis.
• E)Strains of the plague bacillus are less virulent today compared to strains prevalent in the Middle Ages.

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Definitions:

Price Variance

The difference between the actual cost of a good or service and its planned or standard cost, indicating how effectively resources are being used.