Introduction: Labour child is defined as a child who is employed between the ages of 5-17 years and is deprived of the education , training and physical activities necessary for growth that other children benefit from them. Currently, the number of these children is decreasing in developed countries, but it has been increasing in developing countries such as Iran. Due to the unfavorable living conditions these children are prone to contracting various infectious diseases. Such as Bacterial or Parasitic intestinal infections . the purpose of this study was to investigate the prevalence of intestinal bacterial in labour children of( Karaj city,Iran) in order to diagnose and treatment them.
Methods: 200 labour or working children were included in the study ,stool samples were collected from them, and intestinal pathogens were examined by direct culture and direct smear method.
Results:
In 35 samples, E.coli prevailed, in 27 samples klebsiella prevailed and in 10 samples salmonella prevailed, also by using E.coli antisera it was determine that the number of EPEC serovar was 15 including :
E.coli polygroupI(O26,O55,O111) 7cases،E.coli polygroupII(O86,O127) 3cases،E.coli polygroupIII (O125,O126 ,O128) 3 cases ,E.coli polygroup IV(O20 ,O114) 2 cases and STEC( O157H7) 4 cases.
Discussion and conclusion:
Living on the street can expose working children to many social harms and various diseases, according to the presence of pathogenic bacteria in the samples found from working children.