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avatar+2496 

                                                         

 Feb 14, 2016

Best Answer 

 #2
avatar+1036 
+10

Look at the graph and note that strain C has the least virulence in March. Use this point in time and calculate the weighted average to determine the efficacy of the vaccine.

To calculate the weighted average, take the (March) prevalence of each strain and multiply it by the efficacy of the vaccine in the table. Then add these products. 

 

\((0.35 * 0.23) + (0.13 * 0.25) + (0.76 * 0.13) + (0.68 * 0.39) =0.447 ~|~(47.7\%)\)

 

 

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Now if only we could develope a vaccine for CDD

 Feb 15, 2016
 #1
avatar+2496 
0
.
 Feb 14, 2016
 #2
avatar+1036 
+10
Best Answer

Look at the graph and note that strain C has the least virulence in March. Use this point in time and calculate the weighted average to determine the efficacy of the vaccine.

To calculate the weighted average, take the (March) prevalence of each strain and multiply it by the efficacy of the vaccine in the table. Then add these products. 

 

\((0.35 * 0.23) + (0.13 * 0.25) + (0.76 * 0.13) + (0.68 * 0.39) =0.447 ~|~(47.7\%)\)

 

 

---

Now if only we could develope a vaccine for CDD

Nauseated Feb 15, 2016
 #3
avatar+2496 
+5

thank you Nauseated !

 Feb 15, 2016

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