الفهرس 
Materials and methodsOnly 14 pages are availabe for public view
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Abstract
Gastroenteritis is a wide spread disease, it is one of
the major causes of morbidity and mortality in Egypt and
other developing countries. Enteritis appear among the ten
leading causes of death for age up to two years.
Gastroenteritis was studied in this work from the different
a~ects ; as regards age, sex, locality, type of feeding,
wheather breast, artificial, or combined and weaned group.
We studied 400 cases of different age & sex. 229 cases
of them (57.25%) from the rural area., & 171 cases (42.75%)
from urban area. They were 252 males (63%) & 148 females
(37%), their age varied up to two years.
Stool samples or rectal swabs were examined to detect the
most common bacterial species involved in the pathogenesis
of gastro-enteritis. Pathogenic organisms were isolated from
361 t9l.25%), cases only while 39 cases giving no growth
(9.75%). The isolated pathogens were E. coli from 153 cases
(38.25%), shigella from 56 cases (14%), Klesiella from 45
cases (11.25%), Proteus from 43 cases (10.75%), staph. aureus
from 21 cases (5.25%), Salmonella 12 cases (3%), Ps. pyocyanaeus
from 15 cases (3.75%), Campylobacter (5 cases, 1.25%).
& Candida 11 cases (2.75%).
The incidence of gastroenteritis is more in the rural
area than urban area., also the incidence in male was more
than females.
Infection was predominant in infants above 6 months of
age. Enteropathogenic E. coli was the most frequent cause of
diarrhea and it was more common during the first year of age,.
below age of 6 months neither Shigella, Klebsiella, Salmonella
and campylobacter were encountered.
According to seasonal variation it was noted that E.
coli, Shigella, Proteus, Klebsiella mostly occured in the hot
season while staphylococcus, Candida mostly occured in the
cold weather.
The significance of seasonality in diarrhea cannot be
ignored as it is one of the factors determ’ining rural poverty.
According to the type of feeding whether breast, artificial
feeding, combined feeding, weaned group were examined
47 cases breast fed ones (11.7%), & 105 cases (artificially
fed 26.25%) & combined feeding 126 cases (31.5%), where
weaned group were 122 with percentage 30.5% it is clear that
the high incidence was in the last three groups as Bottle
fed infants.