Food Safety Humor

FSPCA - Food Safety Preventive Controls Alliance

Wednesday, October 27, 2021

Canadian Study Detects non SARS-COV-2 on Food Retail Surfaces

A Canadian study sampled grocery stores for SARS-CoV-2.  957 samples were taken and all samples were negative for the virus.    "The stores chosen were not isolated, were in population-dense areas, which generated high traffic, and were located in a COVID-19 “hot zone.” The stores selected 
were in 4 different municipalities/towns within a single province. Hence, the provincial and federal COVID-19 restrictions and guidelines were the same for all."

The authors state "These results suggest that the risk of exposure from  contaminated high-touch surfaces within a food retailer store is low if preventive measures and recommended  sanitizing routines are maintained."  I am not sure they can go this far in suggesting this.  For one, there was no evidence suggested that any shopper was ill with the COVID virus, so it is hard to discuss survival.  Two, there was no comparison on the degree of of application of preventive measures, so any conclusion should state that "it may have had an impact."


Current Research in Food Science
file:///C:/Users/mwb124/Downloads/1_s2.0_S2665927121000629_main__1_%20(1).pdf
Detection of SARS-CoV-2 on surfaces in food retailers in Ontario
Singh etal. (2021)
ABSTRACT
The COVID-19 pandemic has generated increased interest in potential transmission routes. In food retail settings, transmission from infected customers and workers and customers through surfaces has been deemed plausible.  However, limited information exists on the presence and survival of SARS-CoV-2 on surfaces, particularly outside  laboratory settings. Therefore, the purpose of this project was to assess the presence of the virus at commonly found surfaces at food retail stores and the potential role that these spaces play in virus transmission. Samples (n=957) were collected twice a week for a month in food-retail stores within Ontario, Canada. Hightouch surfaces were identified and surveyed in 4 zones within the store (payment stations, deli counters,  refrigerated food section and carts and baskets). The samples were analyzed using a molecular method, i.e.,  reverse transcriptase quantitative Polymerase Chain Reaction (RT-qPCR). 

Regardless of the store’s location, the sampling day or time, the location of the surface within the store or the surface material, all samples tested negative for SARS-CoV-2. These results suggest that the risk of exposure from  contaminated high-touch surfaces within a food retailer store is low if preventive measures and recommended  sanitizing routines are maintained.

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