期刊
EMERGING INFECTIOUS DISEASES
卷 14, 期 10, 页码 1567-1574出版社
CENTER DISEASE CONTROL
DOI: 10.3201/eid1410.071273
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资金
- NIH-NIAID [U01-AI35894, 5P01 AI051976, 5R21 AI059661]
To determine whether clinical manifestations are associated with genotypes or subtypes of Cryptosporidium spp., we studied a 4-year longitudinal birth cohort of 533 children in Peru. A total of 156 infection episodes were found in 109 children. Data from first infections showed that C. hominis was associated with diarrhea, nausea, vomiting, general malaise, and increased oocyst shedding intensity and duration. In contrast, C. parvum, C. meleagridis, C. canis, and C. felis were associated with diarrhea only. C. hominis subtype families were identified (1a, 1b, 1d, and 1e); all were associated with diarrhea. 1b was also associated with nausea, vomiting, and general malaise. All C. parvum specimens belonged to subtype family 11c. Analysis of risk factors did not show associations with specific Cryptosporidium spp. genotypes or subtypes. These findings strongly suggest that Ctyptosporidium spp. and subtypes are linked to different clinical manifestations in children.
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