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PREDICTIONS – 10 Years Later - Santa Fe Institute

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5. GOOD GUYS AND BAD GUYS COMPETE THE SAME WAY<br />

THE PREPROGRAMMED DECLINE OF DIPHTHERIA<br />

FIGURE 5.3 Deaths due to diphtheria in the United States. The large dot is the<br />

9-year average around World War I. The S-curve fit is on data only up to 1933,<br />

the year the vaccine was officially introduced on a large scale.<br />

years. Such an agreement must be attributed to a lucky coincidence.<br />

Several similar S-curves could have been accommodated within the<br />

uncertainties of the fitting procedure, but all of them would display the<br />

same general pattern. The data points after effective medication became<br />

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