Acute enteric infections (AEI) are among the widely prevalent infectious diseases worldwide. The highest incidence of intestinal infections occur in pediatric populations . The main reason is biodiversity pathogens AEI: bacteria, viruses and protozoa from different taxonomic groups. Bacterial AEI can cause the genera Salmonella, Shigella, pathogenic strains of E. coli, spp. Clostridium, spp. Campylobacter spp., spp. Staphylococcus spp. Klebsiella, etc. Viral AEI pathogens are group A rotaviruses and noroviruses, astroviruses, F adenoviruses, sapoviruses. Discusses the role of group C rotaviruses, bocaviruses, Aichi virus, parechovirus, coronaviruses, etc. in the development of acute gastroenteritis.