Recently a Connecticut bus driver came down with smallpox. His three children caught it; so did a visitor; so did a person in another house, where the infected visitor took to his bed. The bus driver's wife escaped. Reason: she had been vaccinated.
This was the first outbreak of smallpox in Connecticut in six years. Smallpox is one of the "conquered diseases," in the sense that vaccination provides positive individual protection,* but vaccination has not wiped out the smallpox virus. Last week spokesmen for U. S. medicine had their storm warnings out, for since 1934 the number of smallpox cases has grown....
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