The Optimal Vaccination Policy
Since for the past 30 years outbreaks of smallpox have occurred infrequently in most parts of the developed world, it seems reasonable to seek that level of vaccine-induced immunity which minimizes the average number of deaths that would occur between the ends of two successive epidemics. This amounts to choosing the level of susceptibility s in a population so that the average number of deaths which occur during one (long) period when there is no disease present and the subsequent (short) period of epidemic is a minimum.
KeywordsDevelop World Expected Number Vaccination Rate Total Case Education Development
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