ORGANISMS.
M 116-
STOOLS EXAMINED FOR ORGANISMS.
EUROPEAN INDIAN CHINESE TOTAL Typhoid group Pos. Neg. Pos. Neg. Pos. Neg. 12 54 1 3 1 2 2 3 B. Dysenteriae (Group) 155 172 11 107 172 41 52 3 B. Dysenteriae (Flexner) 4 8 11 3 4 ... B. Dysenteriae (Shiga) B. Dysenteriae (Schmitz) B. Cholerae Grand total 13 67 2 13 55 265 415(2) Sputum.-Six hundred and sixty-six sputa were examined for the presence of B. tuberculosis.
European Indian Chinese Total Positive 19 70 89 Negative ! 19 143 181 64 351 485 Grand total 83 494 666(3) Urine. Three hundred and ninety-nine urines were examined routinely, chemically and bacteriologically.
(4) Urethral and cervical smears.-Five hundred and fifty smears were examined for the diagnosis of gonorrhoea.
(5) Nasal scrapings, etc.-One hundred and two examinations were made for the presence of B. leprae. Twenty-nine of these were positive.
(6) Throat swabs.-One thousand two hundred and eight swabs were cultured for the presence of C. diphtheriae. The positive findings are much in excess of the normal. It is very likely that this is due to greater use being made of laboratory facilities rather than to an increased incidence of the disease.