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26
Diphtheria here has behaved in a very similar manner as it
has done throughout the kingdom. The periods of maximum and
minimum prevalence are longer than those of Scarlet Fever. If we
take the death-rate, the 8 years, 1892-1899, was a period of maximum
prevalence. The following 8 years, 1900-1907, was a period
of minimum prevalence, followed by a period of maximum prevalence,
which will probably continue for another 2 years, but
with a gradual droop in the curve.
A desire was expressed that these figures should be worked
out in the form of graphs, and the two following graphs give the
attack-rates and death-rates respectively per 100,000 inhabitants :—