Hepatitis A pathogen detection kit; Enterovirus detection kit; Rotavirus detection kit; Adenovirus B, C, and E detection kit, 100 reactions; Enzyme-linked immunosorbent assay (ELISA) test system for qualitative detection of IgM class antibodies to hepatitis A virus, 96 tests; Nucleic acid extraction kit with magnetic sorbent, 96 reactions; Reagent kit for determination of Measles Virus IgM; ELISA kit for qualitative detection of IgM class antibodies to rubella virus; Kit for qualitative and