Detection of norovirus in foodborne pathogen surveillance in Tieling, Liaoning, 2012

Objective understand the contamination status of foodborne pathogens in aquatic products in Tieling for the effective prevention and control of foodborne diseases. Methods Reverse transcription-polymerase chain reaction (RT-PCR).was conducted to detect 6 aquatic product samples collected during the routine surveillance in Tieling in the first quarter, 2012,and gene sequencing was done for the positive PCR products. Results Norovirus was detected in 1 of the 6 aquatic product samples and the sequence analysis indicated that it belonged to GⅡ-4 genotype. Conclusion It was the first time to detect norovirus GⅡ-4 genotype in the routine surveillance of foodborne pathogens in Tieling. It is necessary to strengthen the inspection and detection of aquatic products to prevent the outbreak of norovirus related viral gastroenteritis.