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49
and gave rise to six secondary school cases—four of which showed a
prolonged incubation period of 16 days.
The Wood Street case had attended school while infectious
between 16th and 21st January, and gave rise to two further school
cases. One of these cases in turn gave rise to four further cases at
his home.
During the same period two other families (unconnected with
the school cases detailed above) showed multiple cases—five in one
instance and four in another.
Later in the year another school child had attended Mission
Grove Infants' School for five days whilst infectious but no further
cases apparently arose.
In each of the schools the detailed supervision outlined in
the 1930 Report was adopted and worked admirably with the
co-operation of the School Attendance Department.
Four other scholars had attended their various schools on the
day of onset only of their Smallpox, but in each case no further cases
were found.