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way, as already suggested, the connecting link, seeing
that he assisted both regular distributor No. 9 and "odd"
man S.J.A. For fuller particulars, reference must be
made to the heading "Bacteriological Results connected
with the employees of dairy X" (vide pages 52-55).
It may be mentioned that regular distributors Nos.
1 and 2 shewed a similar tendency (but not so marked)
to special localisation in certain roads or small areas,
viz., distributor No. 1 in Alexandra Road (5 cases), and
distributor No. 2 in Alleyn Park (5 cases), and Camden
Hill Road (3 cases) respectively. The facts in connection
with these two distributors are interesting. Distributor
No. I had his child removed to hospital suffering from
diphtheria on December 3rd, 1913, and his work (distributing
milk) was stopped the same day. He had, however,
been distributing milk between the time when his child
sickened on November 29th, 1913, and the date when
diphtheria was diagnosed, and the child removed to
hospital (viz., on December 3rd. 1913). A total of 8 cases
of diphtheria were notified in houses on his round, and.
of these 8 cases, 5 occurred in one road (Alexandra
Road), the dates of onsets of the attacks being December
1st, 2nd, 3rd, 4th, 7th, 9th, 10th and 12th (th-s last 3
being secondary cases), pointing to this distributor being
probably a "carrier" from his own child from November
29th to December 3rd, but the cases ceased in this
particular distributor's round when his work of distributing
milk was stopped, although the farm infection (farm G)
must have still continued, its source not having been, at
that time, discovered.
Regular distributor No. 2 lived in the same house as
regular distributor No. 19, but they had separate and
distinct rounds or distribution areas. 15 cases were
notified in connection with the round of regular distributor
No. 2—5 on the ordinary and 10 on the "pudding"
round—and, of these 15 cases, 8 occurred in two roads
(Alleyn Park and Camden Hill Road), the dates of onsets
of the attacks being November 21st, 25th, 27th, 29th,
29th, December 1st, 6th, 6th, 6th, 7th, 8th, 9th, 15th,
17th and 30th respectively.
Bacteriological examinations of regulajr distributors
Nos. I and 2 showed the presence of the bacillus
5°