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Parasitology (Volume 4)

Parasitology (Volume 4)[Paperback]

Author: Books Group

Out of Stock

Book Description

Publication Date: 2012-01-01 | ISBN-10: 1234919257 | ISBN-13: 9781234919252

Book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1912. Excerpt: ... ON A DISEASE IN MAN FOLLOWING TICK-BITES AND OCCURRING IN LOURENCO MARQUES. By JOSti F. SANT' ANNA, M.D.1 Lourenfo Marques. The grass in the vicinity of the town of Lourenco Marques is often infested by larval ticks, especially in places frequented by cattle. These ticks are so numerous as to constitute a veritable scourge, since they attack a variety of animals, and man is frequently a victim to their onslaughts. The ticks are especially prevalent in July and August. Their bites may produce merely a local effect, but in some persons general symptoms may follow. Local effects. The effects of the bites of the ticks vary. There may be simply great itching, as in scabies. In such cases little vesicles appear at the seat of the bites, and some of the vesicles are found to contain the larval ticks. These vesicles were usually noted after about eight days in the cases observed by the author, and their appearance may be accompanied by general symptoms. General symptoms have been observed in six cases. The patient at first complains of general weakness, muscular pains, and especially of considerable difficulty in moving his arms and legs. Examined at this stage, the superficial glands in the groin and axilla are found to be acutely enlarged and painful; the glands are obviously inflamed. The enlarged glands are referable to small boils or pimples produced by some of the tick-bites; the pimples are at times very minute but nevertheless give rise to superficial lymphangitis. The glands in the neck become swollen after a short time, those situated in the nape of the neck being chiefly involved. The patient suffers from severe occipital headache, with considerable rigidity of the muscles of the nape of the neck, so that the head may be turned to one side, as in 1 Abstract of notes supplied by t...

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