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(2) Sputum.-Six hundred and thirty-one specimens of sputum were examined for the presence of the tubercle bacillus.
Sputa Examined for Tuberculosis.
EUROPEAN INDIAN CHINESE Total Positive 12 17 128 157 Negative 73 76 325 474 Grand Total 85 93 453 631(3) Urine.-Two hundred and seventy-two urines were examined. While chemical and microscopic report was made on the majority, a good number were cultured for organisms as well.
(4) Urethral and cervical smears.-Five hundred and ninety-four smears were examined for the presence of the gonococcus.
(5) Nasal scrapings.-Seventy-nine smears were examined for the presence of b. leprae. Twenty-two were positive.
(6) Throat swabs.-Cultural examination was carried out on seven hundred and twelve swabs for C. diphtheriae.
THROAT SWABS EXAMINED FOR DIPHTHERIA.
EUROPEAN INDIAN CHINESE Total Positive 0 3 5 8 Negative 40 102 259 401 Grand Total 40 105 264 409 Grand Total ................ 712(7) Cerebro-spinal fluids.-Three hundred and eight spinal fluids were examined for the presence of the meningococcus.