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37
Notifiable Infectious Diseases.
During 1921, under the Notification Clauses of the Public
Health (London) Act, 1891, and the Orders and Regulations
made thereunder, 2,611 cases of infectious diseases (excluding
tuberculosis) were notified, including: cerebro-spinal fever, 3;
acute polio-myelitis, 2; encephalitis lethargica, 12.
The distribution of the cases notified in the Wards and in
the sub-districts is shown in the table on the next page.
The 2,611 cases occurred in 2,025 infected houses. Of
these cases, 2,180 (i.e., 83·5 per cent.) were removed to hospital,
and 431 (i.e., 16'5 per cent.) remained under treatment at home.
Full particulars of all notifiable infectious diseases will be
found in the form required by the Ministry of Health in
Table. II. of the Appendix.
Infectious Disease Contacts.
Many cases of "contacts" which were reported to the
Medical Officer of Health were kept under observation in connection
with various diseases as follows:—
Small-pox,
Plague,
Dysentery,
Malaria,
Cerebro-spinal fever,
Enteric fever,
Typhus,
Other infectious diseases.
The above include civil as well as military cases.
Small-pox.
No case of small-pox was notified in Battersea during
1921. Information was received of 14 persons residing, or
coming to reside in the Borough who had been in contact
with cases of small-pox on infected ships or had travelled on
ships from infected ports. All such cases were kept under
observation.
Scarlet Fever.
Scarlet fever was very prevalent during 1921. The total
number of cases notified during the year was 1,374, as compared
with 667 in 1920 and 484 in 1919.
The case-rate per 1,000 of the population was 8·12, and
6 deaths were registered from the disease, giving a death-rate