マダニ類による人体刺咬 39 例

概要

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Thirty nine cases of human infestation by ixodid ticks were reported. Tick species were Ixodes ovatus (15 cases), I. persulcatus (8), I. nipponensis (4), I. monospinosus, I. acutitarsus and unidentified Ixodes species (1 each); Amblyomma testudinarium (4), Haemaphysalis longicornis (3); unidentified ixodid ticks (2). No bites by male ticks were reported whereas 2 cases were by nymphs of A. testudinarium. Biting mostly occurred during daytime field jobs in hilly areas from April to September. There seems preference of biting sites for I. ovatus and A. testudinarium, the former attacking on head and body especially on eyelids, the latter on lower extremities. Clinical manifestations by biting were generally no more than local flare and swelling of the sites, and few serious damages on the skin were observed except 4 cases, in which the sites came to suppurate. Three authentic cases of human infestation by H. longicornis were confirmed, but no viral or rickettsial infection occurred by the tick bites in all the cases.
日本衛生動物学会の論文
1981-03-15