Database Reference
In-Depth Information
Total Sick:
1 - 2 - 3 - 4 - 5 -
1:
300
1
1:
150
1
2
1
1
2
3
2
2
3
3
4
3
5
4
4
4
5
5
5
1:
0
0.00
1825.00
3650.00
5475.00
7300.00
Days
Fig. 8.6
Average Age of First Infection: 1 - 2 - 3 - 4 - 5 -
1:
40
5
5
4
4
5
5
4
4
3
3
3
3
1:
20
2
2
2
2
1
1
1
1
1:
0
0.00
1825.00
3650.00
5475.00
7300.00
Days
Fig. 8.7
The results shown in Figures 8.6 and 8.7 compare the effects of four alternative
immunization rates—0, 0.0005, 0.001, 0.0015, and 0.002. In all cases, we consider
also the effects of shingles on the spread of chicken pox. Higher immunization rates
reduce the number of people getting sick, but higher immunization rates also have
higher ages of first infection associated with them.
Although fewer people overall will get chicken pox, the health risks are greater
for those who contract it because they will be older 4 . Chicken pox can be especially
4
Wolinsky, Howard. “Its Effect on Shingles Is Studied.” Chicago Sun-Times . May 7, 1995: 62+.
 
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