农村人口中的散发性隐孢子虫病无症状，且与接触牛有关。
Sporadic cryptosporidiosis in a rural population is asymptomatic and associated with contact to cattle.
作者信息
Pohjola S, Jokipii A M, Jokipii L
出版信息
Acta Vet Scand. 1986;27(1):91-102. doi: 10.1186/BF03548562.
Fecal samples each followed by a completed questionnaire were obtained from 233 persons representing 80 households. Using the formalinether concentration method combined with the acid-fast staining oocysts of Cryptosporidium were found in 7 (3 %) persons. 63 persons had contact to cattle, and asymptomatic cryptosporidiosis was diagnosed in 6 of them. Cryptosporidiosis was not found in any of the 51 persons with contact to some other animal but not cattle, and none of the 7 Cryptosporidium positive persons had been traveling abroad. We also obtained fecal samples from 15 calves from 7 households. Six of the calves (40 %) harbored Cryptosporidia and manifest enteritis was detected in those under age of 1 month. Five out of 14 farms had problems of neonatal calf diarrhea. Human cryptosporidiosis was more frequent on such problem farms. The results indicate that in rural population, human cryptosporidiosis is mainly asymptomatic and occurs mainly in residents of cattle-rearing farms.
从代表80户家庭的233人中获取了每份都附有完整问卷的粪便样本。采用甲醛乙醚浓缩法并结合抗酸染色，在7人（3%）中发现了隐孢子虫的卵囊。63人接触过牛，其中6人被诊断为无症状隐孢子虫病。在接触过其他动物但未接触牛的51人中，未发现隐孢子虫病，7名隐孢子虫阳性者均未出过国。我们还从7户家庭的15头小牛身上获取了粪便样本。6头小牛（40%）携带隐孢子虫，1月龄以下的小牛出现了明显的肠炎。14个农场中有5个存在新生小牛腹泻问题。在存在此类问题的农场中，人类隐孢子虫病更为常见。结果表明，在农村人口中，人类隐孢子虫病主要为无症状感染，主要发生在养牛场的居民中。
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