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Due to this low prevalence of cryptosporidiosis, we conclude that routine screening of stool specimens for Cryptosporidium sp. is unnecessary in our patient population. Screening should be targeted to immune compromised patients and patients with persistent diarrhea and no apparent etiology. Our study also supports the concept that there are geographic variations in the prevalence of cryptosporidiosis. <\/jats:p>","DOI":"10.2105\/ajph.78.3.273","type":"journal-article","created":{"date-parts":[[2008,11,29]],"date-time":"2008-11-29T13:03:17Z","timestamp":1227963797000},"page":"273-275","source":"Crossref","is-referenced-by-count":7,"title":["Do regional variations in prevalence of cryptosporidiosis occur? 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