The Journal of the Department of Agriculture, Victoria . known as the White Plague,and has been regarded by scientists as the only disease which is capableof exterminating the human race, and this mainly because of its insidious-nature ; for it is pnssibLfnr one tO contract the disease in youth or infancy and to be quite unaware-nf it until later in life—-say upon gaining ma-turitv. when, owing 10some debilitating in-fluence, the protectionaftorded up to that timebv the white corpusclesof the blood is brokendown, and the organismspreads through thesystem, bringing with itthat train of symptoms
The Journal of the Department of Agriculture, Victoria . known as the White Plague,and has been regarded by scientists as the only disease which is capableof exterminating the human race, and this mainly because of its insidious-nature ; for it is pnssibLfnr one tO contract the disease in youth or infancy and to be quite unaware-nf it until later in life—-say upon gaining ma-turitv. when, owing 10some debilitating in-fluence, the protectionaftorded up to that timebv the white corpusclesof the blood is brokendown, and the organismspreads through thesystem, bringing with itthat train of symptomswhich so many are familiar with either throughthe loss of relatives c r^friends from consumption (Figs. 27, 28). The organism responsible for the disease is from toT/i2,oooth of an inch long, and from 1/24,000th to i/72,000th of aninch broad (Fig. 29). The disease is communicable from animal to man,and vice versa, and^ unfortunately, in the early stages,, does not produce-anv visible symptoms (Figs. 30, 31). The symptoms are usually recog-. FIG 27. CHRONIC CHEESY TUBERCULOUSPNEUMONIA. SECTION OF LOBE OF COWs LUNG. lo Aug., 1913.] The Etiology of Contagious Diseases. 501 FIG. 2
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagricul, bookyear1902
