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33
Tho cases occurred in the following localities:—
Mill Hill 12
Burnt Oak —
Central Hendon 3
West Hendon 18
Golders Green and Temple Fortune 12
Child's Hill and Cricklewood 14
59
No schools or classes required closure on account of this
disease. These 59 cases represent infection in 50 houses.
The increase in the number of Diphtheria cases notified
was partly duo to a local outbreak in the Mill Hill District
during the months of February and March. I personally
investigated all these cases with the Medical Officer of the
School and a Medical Specialist.
All the throats of the boys and staff at the School were
carefully examined, and all the scholars and inmates of the
school buildings injected with Antitoxin.
The conclusions arrived at for the outbreak were that
some "carrier" case in the School had eluded detection and
spread the disease. This was emphasised, as so many of the
cases were so mild in character that the disease could only be
diagnosed by Bacteriological Examination.
At the School House in which the first case occurred many
of the boys left for home, so that it was impossible to see
all the boys.
The preventative measures adopted quickly checked the
further spread of the disease, and no further case occurred
after March the 24th. All the school buildings and class
rooms were thoroughly disinfected.