Detection of Bacterial, Viral and Parasitic Infection by Multiplex Real-Time PCR. Bacterial and Bacterial Toxins Salmonella, Shigella, Campylobacter, Costridiium difficile Toxin A/B, Enterotoxigenic E Coli (ETEC) LT/ST, E. Coli 0157, Shiga-like Toxin Producing E. coli (STEC) stx1/stx2, Vibrio cholera, Yersinia entericolitica Viruses Adenovirus 40/41, Rotavirus A Norvirus G1/G11