73
Serial Prison
Age
No. Ao. (years).
Time in gaol (years.)
Degree of infection.
No. of Agglutination reactions
colonies
tested.
(dilutions of 1:50 and 1:100).†
Type.
poly., 2 plus.
22 5862
29
11 days.
3 plus.
normal, 1:50, 1 plus.
irregular.
para, 2 plus
para.
poly., 2 plus.
28
4811
27
3/12.
1 plus.
1
normal, negative.
jirregular.
para, negative.
poly., 2 plus.
50
5213
23
1/12 and 27 days.
plus-minus.
normal, 2 plus.
normal.
para, negative.
poly.. 2 plus.
82
5601
20
17 days.
plus-minus.
1
normal, 2 plus.
normal.
para, negative.
poly., 2 plus.
84
5715
46
7 days.
plus-minus.
2
normal, 2 plus.
normal.
para, negative.
88
4384
55
1/12 and 9 days..
1 plus.
89
5435
34
1/12 and 6 days.
3 plus.
para, negative.
normal, 2 plus.
poly., 2 plus.
normal, 2 plus.
poly., 2 plus.
para, 1:50, 1 plus.
poly., 2 plus.
normal.
irregular normal.
102
5582
39
19 days.
plus-minus.
normal, negative.
irregular,
para, negative.
poly., 2 plus.
112
5509
30
29 days.
plus-minus.
normal, negative.
para.
para, 2 plus.
poly, 2 plus.
117
5326
20
1/12 and 14 days.
2 plus.
normal, negative.
irregular.
para, negative, poly., 2 plus.
122
5617
38
2/12 and 14 days. plus-minus.
normal, 2 plus.
normal.
para, negative.
poly., negative.
123
5019
35
2/12 and 14 days.
1 plus.
normal, 2 plus.
normal.
para, negative.
poly., negative.
135
5471
32
1/12.
plus-ininus.
normal, 2 plus.
normal.
para, negative.
poly., 2 plus.
145
868
30
1 11/12.
plus-minus.
normal, 2 plus.
normal.
para, negative.
poly., 2 plus.
151
4380
16
4/12 and 20 days.
I plus.
normal, 2 plus. para, negative.
normal.
4. To the last-mentioned may be added plate cultures yielding colonies indis- tinguishable from spinal strains but having no definite type reactions and showing a definite sedimentation along with slight agglutination with Flexner's serum but not with normal horse or type serum. As they all reacted similarly, these cultures were placed in one group, as follows:-
Serial
Prison
No.
No.
Age (years).
Time in guol (years).
No. of colonies
Degree of
tested.
infection.
41
5708
25
24 days
plus-minus
106
5457
29
1/12 and 28 days
plus-minus
114
5196
45
1/12 and 1 day
I
plus-minus
131
5536
34
6 days
plus-minus
† "2 plus" indicates complete agglutination in a dilution of 1:100; 1 plus indicates incomplete agglutination in the
dilution stated.