All of the Following Are Reasons Why an HIV Vaccination

question 58

Multiple Choice

All of the following are reasons why an HIV vaccination has not been developed EXCEPT

• A) use of a weakened virus would potentially transmit the infection.
• B) there is no known organism that can provide a model of natural immunity.
• C) small and inexpensive animals for vaccine research are not available.
• D) vaccines are not effective against viral infections.
• E) HIV has a high mutation rate so one vaccination would not be effective to treat the world- wide pandemic.

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Definitions:

Regression Parameters

Quantitative values in a regression equation that represent the relationship between the independent variable and the dependent variable.

Y-intercept

The y-intercept is the point where a line or curve intersects the y-axis of a coordinate system, representing the value of the dependent variable when the independent variable is zero.

Independent Variables

Variables in an analysis that are manipulated or categorized to determine their effect on dependent variables.

Sample Size

The number of observations or elements included in a sample drawn from a population for analysis.