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These bacilli have been found at various times in the stomach or intestine of mosquitoes, fleas and bedbugs. So it is believed by some that these and other insects, such as lice and flies, may sometimes transmit the disease. On a previous page we have referred to the possibility of the face-mites acting as disseminators of leprosy.
A number of these mites produce certain serious diseases among various domestic animals and a few are responsible for certain diseases of men. Face-mites. Such diseased follicles become filled with fatty matter, the upper end becomes hard and black and in man are known as blackheads.
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