DTK543, Eight Types of Viral Diarrhea Pathogens Nucleic Acid Detection Kit (Fluorescent PCR Method), This kit uses real-time fluorescence PCR technology to target the relatively conserved regions of eight common diarrhea viruses: Norovirus type I, Norovirus type II, Rotavirus group A, Rotavirus group B, Rotavirus group C, enteroadenovirus, human astrovirus, and Zharu virus.