Only One Serotype of Mumps Virus Is Known

question 60

Multiple Choice

Only one serotype of mumps virus is known. Why is this important?

• A) It has been possible to create an effective vaccine that protects against this virus.
• B) When only one serotype of a virus exists, there is a great risk of mutation in that agent.
• C) Herd immunity is not possible in a population if there is only one serotype of a virus.
• D) It is not possible to create a vaccine for an infectious agent if there is only one serotype of the agent.
• E) B cells and cytotoxic T cells are unable to respond to a virus if there is only a single serotype of that virus.

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Definitions:

Current Year CPI

The Consumer Price Index for the current year, a measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care.

Price Level

The average of current prices across the entire spectrum of goods and services produced in the economy, often used as an indication of inflation.

Base Year

A reference year used for comparative analysis, often in calculating economic indicators like indexes.

Absolute Change

The difference between the final value and the initial value of a quantity, without regard to the direction of change.