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37
NOTIFIABLE INFECTIOUS DISEASES.
The infectious diseases notifiable under Section 55 of the
Public Health (London) Act, 1891, are:—Small-Pox, Cholera,
Diphtheria, Membranous Croup, Erysipelas, the diseases known
as Scarlatina or Scarlet Fever, and the Fevers known by any of
the following names:—Typhus, Typhoid, Enteric, Relapsing,
Continued or Puerperal. Cerebro-Spinal Meningitis, Ophthalmia
Neonatorum, and Polio-Myelitis or Polio-Encephalitis,
have now been added to this list.
The total number of cases notified during the year
amounted to 8(50, of which number 630, or 73.25 per cent.
were removed for isolation to the Metropolitan Asylums Board's
Hospitals or other Institutions. In 25 instances, or 3.96
per cent. of the cases removed, the Hospital authorities returned
the patient as not suffering from any notifiable disease. Deducting
these from the gross total, we have a corrected total
of 835 cases of infectious disease notified as occurring in the
Borough during the year, a decrease of 13 compared with the
total for the preceding year, which was 848. In 1909, 1,390
cases were notified.
Owing to a slight outbreak of Small-Pox in London,
Chicken-Pox was made compulsorily notifiable for a period of
three months, from 22nd March to 22nd June. During this
time 129 cases were notified.
Age Periods.—41.24 per cent. of the Scarlet Fever cases,
compared with 48.7 per cent. in 1910, and 49.84 per cent. of the
Diphtheria cases, compared with 47.6 per cent. in 1910,
occurred among children aged six years and under.