This Standard specifies the real-time fluorescence RT-PCR examination method for Norovirus in foods. This Standard is applicable to the detection of Norovirus in shellfish, raw vegetables, hard surface foods, soft fruits and packaged drinking water.
Basic Data
Standard ID
GB 4789.42-2025 (GB4789.42-2025)
Description (Translated English)
National food safety standard - Food microbiological examination - Examination of Norwalk Viruses
Sector / Industry
National Standard
Classification of Chinese Standard
X09
Word Count Estimation
18,145
Date of Issue
2025-03-16
Date of Implementation
2025-09-16
Issuing agency(ies)
National Health Commission of the People's Republic of China, State Administration for Market Regulation
