Investigation on contamination of SARS-CoV-2 in cold chain food and key environment in Nantong

ABSTRACT

Objective To understand the contaminations of SARS-CoV-2 of imported frozen food and corresponding ke;environments in Nantong Farmers’ Wholesale Market. Methods The samples of imported frozen food, surface samples of key environmental objects and throat swabs, anal swabs and blood samples from employees were collected randomly, SARS-CoV-2 nucleic acid testing as well as specific serum antibody IgM and IgG testing were implemented. Results A total of 1 685 sample of imported frozen food in Nantong, 2 432 samples from key environment, and 1 539 samples of anal swabs and throat swabs fron key practitioners were collected, all samples were confirmed to be negative for SARS-CoV-2 nucleic acid testing. A total of 299 blood samples were collected from key employees, and virus specific serum antibodies IgM and IgG were negative. Conclusion The imported frozen food and key environment sold in the Nantong have not been contaminated with SARS-CoV-2 temporarily, and it remains being necessary to further implements surveillance and control of Corona Virus Disease 2019(COVID-19). © 2022, Editorial Department of Medical Pest Control. All rights reserved.