_____ Cause(s)mild and Limited Disease,whereas _____ Cause(s)more Severe Disease and Higher

question 15

Multiple Choice

_____ cause(s) mild and limited disease,whereas _____ cause(s) more severe disease and higher mortality.

• A)Antigenic drift; antigenic shift
• B)Antigenic shift; antigenic drift
• C)Epidemics; pandemics
• D)Pandemics; epidemics.

Recognize the limitations of correlation in inferring causality.

Understand the concept of interaction effects in ANOVA.

Identify the visual representation of interaction and main effects on graphs.

Understand the principles of main effects in ANOVA.