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71
Scarlet Fever was very prevalent in 1921 and 1922, the
incidence being spread over the whole period and no actual
epidemic occurring. The incidence remained low until near
the end of 1925 when a considerable rise occurred. It has
been of a mild type throughout the period.
There was an epidemic of Diphtheria, moderate in extent
but very severe in type, at the end of 1921 and beginning of
1922 followed by a fairly Low incidence until near the end of
1925, when there was a marked increase in prevalence for a
few weeks, although nothing that could be called an
epidemic. Except for the short period in 1921-22 already
mentioned, the disease has been moderate in type, the vast
bulk of cases yielding promptly to treatment, and very severe
cases being uncommon. Antitoxin is supplied free to Medical
Practitioners both for prophylactic and therapeutic purposes
and is freely made use of. It is only occasionally, when
there is some difficulty or delay in diagnosis, that any patient
fails to receive prompt treatment with antitoxin.
The number of "return cases" of Scarlet Fever has
been very low. Taking a "return case" as being one
occurring within 28 days of the return of the presumed infecting
case, the numbers have been as follows:—

If the period chosen were 3 months instead of 28 days
this would add 2 cases to 1921, 1 case in 1923, 2 cases in 1924,
and 1 in 1925,