H. B. WOOD, M.D., D.P.H.
JAMA. 1912;LIX(19):1707-1708. doi:10.1001/jama.1912.04270110121017.
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With the advent of the Rockefeller Sanitary Commission there has been an awakening in the search for parasitic causes of disease, particularly in regard to those parasites which find lodgment in the intestines. Some of the results of this work are more or less surprising as they indicate various parasitic infestations which are confined to somewhat limited localities, or may be carried by the hosts to various parts of the continent. A person who is a native of the Southern states, or who has resided in them but a short time, may admit and harbor some organisms and carry these unrecognized into a far country.

These parasites, few or numerous, may simulate, by their varying effects on the individual, various abdominal or systemic conditions, and cause considerable anxiety or damage if their presence is not appreciated.

That intestinal parasites are common among certain classes in the North was shown by


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