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(7). That the diphtheria bacillus is so hardy
as not to be greatly affected by dryness, heat or
cold, though soon destroyed by strong sunlight.
Toys, pencils, slates, bedding, clothes, etc., will
retain this germ for long periods, especially if kept
in the dark.
(8). That, contrary to the prevalent belief,
drain odours and sewer gas are not responsible, the
diphtheria bacillus has not been found in their
atmosphere.
(9). That cats do not propagate this disease.
The Klebs-Loeffler bacillus, though diligently sought
for, has not been found in birds or animals at any
time (Dr. Savage).
(10). That overcrowding unquestionably has a
marked effect in raising the incidence of diphtheria.
Now with regard to prevention of Diphtheria we
can always ascertain the susceptibility, or the immunity
of a person, by the application of the Schick test, a very
harmless and simple procedure. If the result is positive,
the patient can be immunised by an injection of antitoxin,
or with toxin-antitoxin, but we await further experience
of these methods and definite instructions from
the Ministry as to their general application in schools
and institutions. We do know, however, that remarkable
results have been claimed for these measures, and
it is alleged that Diphtheria has shown a marked decline
in recent years.
ISOLATION HOSPITAL.
Your Isolation Hospital, constructed to accommodate
30 patients, is in a satisfactory condition.
With an efficient Matron and good staff the work
is carried on without trouble and friction. The wards,
premises and gardens are kept in good order all the
year round.