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93
No sanitary district was immune, although Poplar South District
suffered least, the chief centres of infection being Bromley North and
Bromley Central Districts. The number of cases in each Sanitary District
was as follows:—
The incidence of Smallpox in houses is shown below.
Cases.
79 houses in which i case of Smallpox occurred .. .. 79
16 ,, ,, 2 cases ,, ,, .. .. 32
>> .» 3 »> it m m '' 24
2 9, >>4 M > I •• ..8
1 house 1,6 ., ,, .. 6
1 ,, ,,8 ,, ,, .. .. 8
Total .. .. 157
Total number of cases .. .. .. 157
,, ,, houses .. .. .. 107
In Table II it will be seen that of the 157 cases no less than 141 were
unvaccinated, and that in this group practically all the cases occurred
before the age of 35; whereas in the vaccinated group, almost all the
cases occurred after the age of 35. The vaccinated cases were vaccinated
once only—in infancy.
East Combined
22
West Combined
28
Poplar South
3
Bromley North
40
Bromley Central
32
Bow East
15
Bow West
17
157