Efficacy of Calprotectin as A Marker For the Pathogenicity of Blastocystis Infection

Blastocystis which is commonly found in the gastro-intestinal tract, has been recognized as a non-pathogenic organism for a few decades. It has a variable distribution. A high prevalence has been reported in developing countries (22.1-100%).In developed countries, the prevalence ranges from 0.5% to 23.1%. The high prevalence noted in developing countries is related to poor hygiene and lack of safe water and food .

Inclusion Criteria:Patients from outpatient clinics, Sohag hospitals.Exclusion Criteria:Patients taking antibiotics within the previous four weeks, and anti-parasitic drugs within the previous two weeks.