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24
Notifiable Infectious Diseases.
Vaccination.
The following return as to Vaccination during 1922, has been
supplied to me by the Vaccination Officer for the District:—
Births 524
Certificates of successful Vaccination 528
Certificates of exemption (statutory declarations) 157
Certificates of Insusceptibility 1
Removals from District 20
Postponements (health of Child) —
Certificates of Insusceptibility from Public Vaccinator —
Certificates of infectious disease or condition of house —
MEASLES.
Measles was made compulsorily notifiable throughout England
and Wales in January, 1916, but ceased to be notifiable on
January 1st, 1920. The disease however has remained a notifiable
one in this District by reason of the City of Leeds, &c. (Measles and
German Measles) Regulations, 1920.
An outbreak of Measles occurred at the commencement of the
year, rapidly assuming epidemic proportions. During January 42
cases were notified, during February 114 cases, and during March
the number notified reached the high figure of 239 The number
of cases then rapidly decreased, 87, 48 and 16 cases respectively
being notified during the next three months. The total cases notified
during the year was 590, 40 only of these occurring during the
last six months.
The age-distribution of the cases is interesting and important.
Of the 590 notified cases 173 ware infants under 5 years of age,
277 cases were children of 5 to 7 years of age—the age of attendance
at the Infants' Schools, 109 were of 8 to 10 years of age, that
is in attendance at the Junior Mixed Schools, and only 21 cases
occurred amongst children of 11 to 14 years of age in attendance at
the Central Schools. Eleven cases only were over school age.
The attack rate of measles is usually highest in the third,
fourth and fifth years of life, whilst the death rate caused by the