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Journal of Clinical Microbiology, June 2005, p. 2805-2809, Vol. 43, No. 6
0095-1137/05/$08.00+0     doi:10.1128/JCM.43.6.2805-2809.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Unique Endemicity of Cryptosporidiosis in Children in Kuwait

Irshad M. Sulaiman,1 Parsotam R. Hira,2 Ling Zhou,1 Faiza M. Al-Ali,3 Fatima A. Al-Shelahi,4 Hussein M. Shweiki,5 Jamshaid Iqbal,2 Nabila Khalid,2 and Lihua Xiao1*

Division of Parasitic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Public Health Services, U.S. Department of Health and Human Services, Atlanta, Georgia,1 Department of Microbiology, Faculty of Medicine, Kuwait University, Safat, Kuwait,2 Department of Laboratories, Farwaniya District Hospital, Farwaniya, Kuwait,3 Department of Laboratories, Jahra Hospital, Al Jahra, Kuwait,4 Department of Laboratories, Mubarak Hospital, Kuwait City, Kuwait5

Received 2 September 2004/ Returned for modification 23 November 2004/ Accepted 24 January 2005

To understand the transmission of Cryptosporidium infection in children, fecal specimens from 62 Kuwaiti children with gastrointestinal symptoms found to be positive by microscopy were genotyped and subtyped with a small subunit rRNA-based PCR-restriction fragment length polymorphism analysis and a 60-kDa glycoprotein-based DNA sequencing tool. The median age of infected children was 4.5 years, and 77% of infections occurred during the cool season of November to April. Fifty-eight of the children (94%) had Cryptosporidium parvum, three (5%) had Cryptosporidium hominis, and one (1%) had both C. parvum and C. hominis. Altogether, 13 subtypes of C. parvum (belonging to four subtype allele families) and C. hominis (belonging to three subtype allele families) were observed, with 92% of specimens belonging to the common allele family IIa and the unusual allele family IId. Thus, the transmission of cryptosporidiosis in Kuwaiti children differed significantly from other tropical countries.

* Corresponding author. Mailing address: Division of Parasitic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Building 22, Mail Stop F-12, 4770 Buford Highway, Atlanta, GA 30341-3717. Phone: (770) 488-4840. Fax: (770) 488-4454. E-mail: lxiao{at}cdc.gov.

Journal of Clinical Microbiology, June 2005, p. 2805-2809, Vol. 43, No. 6
0095-1137/05/$08.00+0     doi:10.1128/JCM.43.6.2805-2809.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



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