Volume 60, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


Fecal excretion of Cryptosporidium parvum oocysts was determined in 625 children less than five years old who presented at the pediatric clinic of a teaching hospital in Rawalpindi, Pakistan. Single stool specimens were collected from 475 children with acute diarrhea and from 150 children without diarrhea. The Cryptosporidium infection rate was significantly higher in children with diarrhea than in children without diarrhea (10.3% versus 3.3%). The C. parvum infection rate was highest in children 19-24 months of age (21.8%). There was no significant difference in the Cryptosporidium infection rate among male and female children of any age group studied. Sociodemographic information, drinking water supply, and contact with domestic animals had no significant role in the acquisition of C. parvum infection in our study population. The data suggest that C. parvum is relatively endemic in young children in the Rawalpindi area and that C. parvum may be an important pathogen associated with diarrhea.


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