This is a retrospective study on recorded parasitic infections for in- and outpatients attended Diagnostic
& Research Unit of Parasitology, Medical Parasitology Department, Kasr Al-Ainy
Teaching Hospitals from 2017 to 2021. A total of 10557 samples were examined for parasites,
Helicobacter pylori antigen detection and occult blood in stool.
Stool samples (21%) were infected with 15 species of intestinal parasites. These were Blastocystis
hominis (13%), Giardia lamblia (3%), Entamoeba histolytica (3%), Entamoeba coli (1%),
mixed infections (1.6%), H. pylori co-infection (2%), and occult blood with parasites (0.3%).
Male to female infection ratio was 50.3% to 49.7%. The highest prevalence season of infection
was autumn (31.5%). But, all these results were statistically non-significant (p>0.05).