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86
It must be recognised that many of the cases are of only very
short duration and unless very careful examination is made may be
classed as influenza unless some important sequelae develop which
throw further light on the original condition, just as in Scarlet
Fever of the mild type, the subsequent discovery of desquamation
throws an entirely new light on the otherwise unimportant sore
throat or possibly transient rash.
Of the 77 cases, (where the notes were fairly complete) 60 have
been analysed to show a relative frequency of the definite symptoms.
These differ slightly to the percentage given by Parsons in
his Report in 1922, but his table refers to initial symptoms only.
By the kindness of Dr. Dupont, the Medical Officer of Health
of Twickenham, I am able to show the location of cases arising in
Twickenham adjacent to our southern boundary. These were seen
by Dr. Dupont who agreed with the diagnosis.

One outstanding feature of these cases has been the large
number with an antecedent history of worry, either at home or at
work, or of a long continued strain of over-work.
A map showing the location of the cases and the chart
illustrating the relative frequency of the definite symptoms are
appended at the end of the record of the individual cases.