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[191*0
Diphtheria.—404 swabs were submitted, of which 127 gave positive
results, and 277 negative. The results of the cases were immediately forwarded
to the medical practitioners, some being sent by telephone or telegraphed direct
to the doctors by the Lister Institute where the examinations were made.
Enteric Fever.—32 examinations of blood taken from enteric patients
were made, as contrasted with 35 in 1915, of which 10 proved positive and
12 negative.
Phthisis.—525 specimens of sputum were examined, of which 135 gave
positive results, and 390 negative. This return is 241 less than that for
1915, and 285 below that for 1914. The examinations for Phthisis have of
late years largely increased, which is due, of course, to the notification
of Tuberculosis.
The following Tables give the results of the examinations that have been
made during the last 18½ years.
Diseases.
Total
Examinations.
Positive Results.
Negative Results.
Percentage
of
Positive Results.
Diphtheria
5,291
1,659
3,632
31.4
Enteric Fever
1,166
508
658
43.6
Phthisis
5,871
1,572
3,799
29.3
Total
11,828
3,739
8,089
31.6
STATE OF VACCINATION IN ISLINGTON.
Of the 7,277 births registered in 1915, the returns of the Vaccination
Officers show that only 3,328 infants were successfully vaccinated; while 7
were declared insusceptible to vaccination; 491 died unvaccinated; 1,710
certificates of exemption were produced by parents; and 57 cases were
postponed under medical authority, thus leaving 1,684 unaccounted for.
Certificates of Exemption.—The following tabular statement shows
that these certificates are largely on the increase, more especially during the
past six years.
1906 123
1907 259
1908 588
1909 824
1910 1,080
1911 1,241
1912 1,646
1913 1,942
1914 2,124
1915 1,710