Epidemiology of Hydatid Disease in Iraq: A Study of Hydatidosis Patients in Baghdad Province
Keywords:Epidemiology, Echinococcus granulosus, hydatid cysts Cystic echinococcosis, Hydatid disease.
Cystic echinococcosis (CE) is a zoonotic disease worldwide caused mainly by the metacestode Echinococcus
granulosus. Hydatidosis disease is common in all countries of world, especially in the Middle East, in
addition to Asia, Africa and Europe. A person becomes infected with this disease through accidental
consumption of water, soil or food contaminated with the faeces of infected dogs, which is the most common
type of method of infection. This parasite is transmitted to dogs when it ingests the infected organs of other
animals that contain hydatid cysts. A study was conducted to study the infection rate between women and
men in Baghdad governorate. The results showed a highly significant increase in the incidence of infection
with hydatid cyst among females (70.00%) in comparison to males (30.00%). The oldest age of hydatidosis
patients was between 31-40 years (30.00%) with a significant differences between age groups and gender,
while the lowest percentage was at age 41-50, in addition 51-60 age reached (10.00%). In regard to the
profession, the highest value of infection recorded in housewives (60.00%) and the lower percentages
(6.67%) in the employees’ category. However, the most infection rate was within under primary education
level (40.00%), while the lowest percentage was at university education level (3.33%). The incidence of
liver infection (100%) is higher than the other organs, Moreover, it is the only affected organ that contains a
large number of hydatid cysts, Compared with lung, kidneys and spleen, which each recorded only two cyst
for each of these affected organs in hydatid cyst patients, which was represented by significant differences
at (P<0.01) and (P<0.05).
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