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22.6 per cent, of the unvaccinated cases were fatal, as
against 8.1 per cent, in the vaccinated class.
Seven cases are classed as doubtful; in six of these no
vaccination scars could be seen, although the patients were
stated to have been vaccinated; four of these cases were fatal.
Four patients bore evidence of successful re-vaccination,
the dates of the re-vaccinations being as follows: 1872, 1873,
1877 and 1882. Three patients stated that they had been
re-vaccinated, but no evidence could be seen.
In these cases re-vaccination was said to have been
performed in the following years: 1876, 1883 and 1892. In
no case was there any evidence whatever of re-vaccination
having been performed at a later date than 1892.
Three children under ten who were vaccinated in infancy
were attacked; two were eight years and one nine years old
when attacked. During the outbreak, upwards of 27,000
persons were re-vaccinated, and not one was attacked, with
the exception of a few who were re-vaccinated after they had
contracted the disease.