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33
3 months 2 cases
4 ,, 1 case
7 ,, 1 ,,
9 ,, 1 ,,
11 ,, 2 cases
17 ,, 2 ,,
21 ,, 1 case
27 ,, 1 ,,
36 ,, 1 ,,
40 ,, 1 ,,
45 ,, 1 ,,
In 17, the recurrent case occurred in the same house as
the primary one, but the two cases did not belong to members
of the same family, and the interval which elapsed between
the first and second case was as follows:—
5 months 1 case
6 ,, 1 ,,
8 ,, 3 cases
11 ,, 1 case
19 ,, 1 ,,
20 ,, 1 ,,
21 ,, 2 cases
30 ,, 2 ,,
36 ,, 3 ,,
42 ,, 2 ,,
It has been suggested that under varying but occasionally
recognisable conditions, persons recovered from Scarlet Fever
are capable of conveying the infection to others after intervals
frequently of prolonged duration, when apparently they had
ceased to be infectious.
One of the conditions under which the infection of Scarlet
Fever seems to be relighted is what is termed a "cold in the
head" Inquiries were made during the year into the cases
where a recurrent case had occurred after a prolonged interval,
and in many instances it was found that the primary case had,