Surveillance of pathogen in 433 diarrhea cases in infants and young children in Chengdu city

Objective To learn about the major pathogens that cause diarrhea in infants and young children in Chengdu and provide scientific evidence for the prevention and control of the disease. Methods The stool samples were collected from sick children agedResults Totally 433 stool samples were collected from infants and young children with diarrhea, from them 337 strains of diarrhea pathogens were isolated(77.83%), including 30 strains of intestinal bacteria(6.93%), in which 25 were Salmonella strains(6.89%); and 305 strains of diarrhea virus(70.44%), in which 130 were strains of rotavirus group A(38.58%), and 109 were calicivirus strains(32.34%). The remaining 2 samples were parasite positive(0.46%). Conclusion Infectious diarrhea mainly occurred in age group 0-1 years, the major pathogens were rotavirus group A, calicivirus and Salmonella.