. Dr. Evans' How to keep well; . , in themesenteric glands — thelymph glands near theintestines — and some-times in the blood. Its presence in themesenteric glands is ex-plained as follows: It issecreted by the mem-brane of the nose andmouth and becomes apart of the saliva. It isswallowed into the stom-ach whence it passes intothe intestines. The di-gestive juices of thestomach and intestineshave no power to destroythe virus—therefore itpasses through theirwalls and can be recov-ered from the mesentericglands. When these glandsare macerated the virus prepared from them will cause the disease w
. Dr. Evans' How to keep well; . , in themesenteric glands — thelymph glands near theintestines — and some-times in the blood. Its presence in themesenteric glands is ex-plained as follows: It issecreted by the mem-brane of the nose andmouth and becomes apart of the saliva. It isswallowed into the stom-ach whence it passes intothe intestines. The di-gestive juices of thestomach and intestineshave no power to destroythe virus—therefore itpasses through theirwalls and can be recov-ered from the mesentericglands. When these glandsare macerated the virus prepared from them will cause the disease when injected into well proves that the virus is exceptionally resistant, for, it will be remem-bered, snake poison and many other poisons are made harmless by thestomach and intestinal juices. The virus of infantile paralysis passes through the smallest pored filterused. It stands heat, drying, sunlight, and chemical disinfectants muchbetter than does the ordinary disease-causing organism. When a child has had. Iowa Health 107.—Atbophy of the Spinal Cord After Infan-tile Paralysis. Zones a and b show shrinking of thehorns and general lessening in size of affected half ofthe cord. 250 CONTAGIOUS DISEASES
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