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183
quently, in settling the diagnosis in doubtful cases of illness which
have the appearance of Typhoid. It is not advisable to lay too
much stress upon a feebly (slightly) marked reaction, unless accompanied
by one (or more) of the well-known clinical symptoms
of typhoid in the patient from whom the sample of blood has
been taken.
Diphtheria—
154 samples of throat membranes and secretions from doubtful
Diphtheria cases have been examined, and in 16 (i.e., 10.4
per cent.) the true (Klebs-Lœffler) bacilli have been obtained.
In 12 instances (i.e., 75 per cent.) the Klebs-Lœffler bacilli were
obtained in pure cultivation—i.e., without admixture with other
bacilli, whereas in the remaining 4 (i.e., 25 per cent.) the KlebsLœffler
bacilli were found combined with other well-known bacilli
as follows:—
Klebs-Lœffler + Staphylococci 3 i.e., 18.8 per cent.
K'ebs-Lœffler + Torulœ 1 i.e., 6 3 per cent.
In 138 (i.e., 89.6 per cent.) of the total number of throat
samples examined the Klebs-Lceffler bacilli were not isolated,
but other bacilli were as follow : —
Streptococci 20 i.e., 14.5 per cent.
Pseudo-bacilli 1 i.e., 0.7 per cent.
Pseudo-bacilli + Staphylococci 4 i.e., 2.9 per cent.
Pseudo-bacilli + Streptococci 1 i.e., 0.7 per cent.
Pseudo-bacilli + Staphylococci +
Streptococci 1 i.e., 0.7 per cent.
Staphylococci 90 i.e., 65.2 per cent.
Streptococci + Staphylococci 2i.e., 1.5 per cent.
Staphylococci + Torulœ 10i.e., 7.2 per cent.
Smegma 1 i.e., 0.7 per cent.
Smegma + Staphylococci 1 i.e., 0.7 per cent.
Strephycycci + Torulœ 2 i.e., 1.5 per cent.
Streptococci + Sarcinœ 3 i.e., 2.2 per cent.
Torulœ 2 i.e., 1.5 per cent.