6533b828fe1ef96bd128837d
RESEARCH PRODUCT
High Cryptosporidium prevalences in healthy Aymara children from the northern Bolivian Altiplano.
Santiago Mas-comaCarlos AguirreAngela FloresJosé-guillermo EstebanRené AnglesWilma Strausssubject
AdultMalemedicine.medical_specialtyVeterinary medicineBoliviaSanitationAdolescentCryptosporidiosisAsymptomaticFecesSex FactorsWater SupplyVirologyEpidemiologymedicinePrevalenceAnimalsHumansSanitationChildFecesbiologyPublic healthAge FactorsCryptosporidiumOvercrowdingbiology.organism_classificationInfectious DiseasesGeographyEl NiñoAnimals DomesticChild PreschoolParasitologyFemalemedicine.symptomDemographydescription
The prevalence of Cryptosporidium infection was determined in four Aymara communities in the Bolivian Altiplano, between the city of La Paz and Lake Titicaca, at an altitude of 3,800-4,200 meters. Single stool specimens were randomly collected from 377 5-19-year-old students, all apparently asymptomatic. The total prevalence (31.6%) is possibly the highest reported among healthy humans (a maximum of 9.8% and 2.0% in coprologic surveys in underdeveloped and developed countries, respectively) and one of the highest even in symptomatic subjects. No significant age and sex differences were observed. Such an infection prevalence is probably related to the poor sanitation conditions, contaminated water supplies, overcrowding, and close contact with domestic animals. Continuous exposure to the parasite could be associated with protection against parasite-related symptoms in the children examined.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1998-02-06 | The American journal of tropical medicine and hygiene |