M 120
B. SEROLOGY.
(1) Serological Reactions for Syphilis.---Sixteen thousand eight hundred and forty-one sera were tested. The results are shown in the table.
EXAMINATION OF BLOOD SERA FOR SYPHILIS.
European Indian Chinese Total M. F. M. F. M. F. Strong positive 58 1 112 7 Positive 1 50 Weak positive 22 3 101 2 308 1,063 3,542 680 384 1,122 675 321 1,122 Doubtful 25 1 107 744 281 1,158 Negative 277 28 667 2 4,243 4,680 9,897 Grand total 389 34 1,037 2 8,650 6,729 16,841(2) Agglutination tests.-One thousand four hundred and forty-five sera were examined for agglutinins against various organisms as follows:-
European Indian Chinese Total Organisms Pos. Neg. Doubt-ful Pos. Neg. Doubt-ful Pos. Neg. Doubt-ful B. Typhosus 39 98 13 16 318 789 75 B. Para A 3 134 13 20 10 1,097 75 B. Para B 1 136 13 20 4 1,103 75 Enteric fever type undetermined 17 B. Dysenteriae 10 71 B. Melitensis 1 B. Abortus 1 Weil Felix reaction 7 35 Grand total 53 372 39 56 403 2,995 225 1,445