‘risk of SARS-CoV-2 infection via fomite transmission route is low, & generally less than 1 in 10,000, which means that each contact with a contaminated surface has less than a 1 in 10,000 chance of causing an infection’
CENTRE FOR DISEASE CONTROL (USA) https://www.cdc.gov/coronavirus/2019-ncov/more/science-and-research/surface-transmission.html
my spot check showed that most supermarkets likely have good air quality already.
They can demonstrate low risk to their customers & staff (H&S) with a €200 carbon dioxide CO2 meter https://twitter.com/orla_hegarty/status/1344327390722465792
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