Several attempts were carried out to determine the magnitude of
nosocomial infection as a health care problem world wide. This study is a
trial to evaluate the nosocomial infection caused by parasitic protozoan
Giardia lamblia among children admitted to the inpatient clinics of Benha
University and Benha Specialized Hospitals and to trace the source of
infection. 70 children were subjected to the study as well as 18 contacts and
healthy workers in addition to 36 water samples. Human infection was
investigated by stool examination of 3 successive samples 3 days apart then
repeated after 15 days. All samples were examined by direct, iodine
staining, formol ether concentration as well as ELISA coproantigen
detection techniques for Giardia lamblia; while water samples were
examined microscopically by direct and filtration techniques as well as
ELISA antigen detection for Giardia lamblia parasite. Results Out of 70
children 23 were detected to catch Giardia infection from hospital, they
aged 1-5 years, infection rate is higher in immunocompromised cases, cases
from rural areas and that from hospital food.(nosocomial infection
prevalence rate of Giardiasis is 22.86%).
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