methods allplex gi-virus assay was developed to detect pathogens causing viral gastroenteritis, one of the major diseases caused by rna viruses. this one-step multiplex real-time polymerase chain reaction (pcr) based on the mudt technique permits simultaneous amplification and detection of target nucleic acids of norovirus gi, norovirus gii, rotavirus a, adenovirus f, astrovirus, and sapovirus ...