. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). 8 Ni:\\ \nKK STATi: MUSEUM other intestinal disorders. It is more than probable that flies play an important part in eausing the heavy mortality among bottle-fed babies, the proportion of deaths between these and breast-fed babies being as 25 to i. It has been shown that flies may ingest, carry and discharge tubercular bacilli, thus aiding materially in spreading tuberculosis. ?"'urthermore, it is held that flies may, under certain conditions, convey plague, tracho
. Annual report. New York State Museum; Science -- New York (State); Plants -- New York (State); Animals -- New York (State). 8 Ni:\\ \nKK STATi: MUSEUM other intestinal disorders. It is more than probable that flies play an important part in eausing the heavy mortality among bottle-fed babies, the proportion of deaths between these and breast-fed babies being as 25 to i. It has been shown that flies may ingest, carry and discharge tubercular bacilli, thus aiding materially in spreading tuberculosis. ?"'urthermore, it is held that flies may, under certain conditions, convey plague, trachoma, septicemia, erysipelas, leprosy, and there are reasons for thinking that this insect may possibly be responsible for the more frequent. F g. I Typhoid or house fly: «, male, seen from above; b, proboscis and palpus from the side; c, tip of the antenna; d, head of female; e, puparium; /. the anterior breathing- pore or spiracle, all enlarged. (After Howard & Mailatt, U. S. Dep't Agric. Div. Ent. Bui. 4. n. s. 1896) new cases of smallpox occurring in the near vicinity of a hospital. The eggs of certain intestinal parasites, such as those of the tape- worm, may be swallowed by the fly and passed uninjured. Methods of carrying diseases. The most common and danger- ous infections conveyed by the house fly are typhoid fever, other intestinal disorders, including those affect'ng young children, and tuberculosis. Typhoid germs may be discharged from the human system several weeks before diagnosis is possible, continue in num- bers 6 to 8 weeks after apparent recovery, and in exceptional cases may persist during a period of several years. There are authentic. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; University of the State of New York. Albany, N. Y. : University of the State of
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