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The figures are in accordance with results which have so frequently been obtained
elsewhere in connection with small-pox outbreaks, and shew that in Shoreditch there
was no exception to the rule that the unvaccinated suffer from small-pox far more
severely than the vaccinated.
Of infants under the age of one year who had been vaccinated prior to exposure
to infection not one had small-pox. Five infants under one year who were vaccinated
after exposure to infection, whilst they were incubating the disease, took small-pox
and of these three died. Of seven infants under one year who were not vaccinated at
all and who contracted the disease six died. Of children aged between one and five
years who had been vaccinated before exposure to infection none had small-pox.
There were four cases amongst children aged from one to five who were vaccinated
whilst they were incubating the disease, but none of these terminated fatally. Of the
37 unvaccinated children belonging to the same age period who took small-pox
fourteen died. The whole of the children under five years of age who took small-pox
were at the time of exposure to infection unvaccinated.
With respect to the age period, 5 to 10 years, there were six cases amongst
children who had been vaccinated prior to exposure to infection. None of these were
fatal. There were eleven cases with one death amongst children who had been
vaccinated after exposure to infection, and 29 cases with eleven deaths amongst
unvaccinated children.
Amongst persons aged between 10 and 15 years, there were 23 cases with one
death amongst those vaccinated prior to infection, three cases with one death where
vaccination had been performed after exposure to infection and 24 cases with
seven deaths amongst those who were unvaccinated. Of persons aged from 15 to 20
who had been vaccinated prior to exposure to infection, 40 had small-pox, but there
were no deaths. There were two persons vaccinated during the incubation period who
took the disease, both of whom died, and there were 11 unvaccinated of whom
five died.
With respect to small-pox amongst persons who had been re-vaccinated, taking
the cases under 20 years of age, 17 had been re-vaccinated. In all cases the
re-vaccinations were performed after exposure to infection, and in consequence of the
patients having been exposed to infection. In several instances the operation was
performed within a very short time of the onset of symptoms. None of these cases
however, terminated fatally. Of 216 cases amongst persons over 20 years of age, 25
had been re-vaccinated. In 19 of these the re-vaccinations were performed after exposure
to infection, in a few instances just before the onset of symptoms. Three of
these terminated fatally. As regards the other re-vaccinated cases all of which were
amongst persons over 35 years of age, in one instance the re-vaccination was performed
7 years before the attack, in one 18 years, in one 15 years, in one 30 years, in one the
length of time was doubtful, but it was several years prior to the attack, and in the
remaining case the patient had been twice re-vaccinated, the last time about 17 years
prior to his attack of small-pox. None of these cases ended fatally.