date:Dec 26, 2022
ctory levels.
One Listeria isolate matched human cases and was from a prepacked mixed salad from a catering business in 2021. It was the same strain that was behind a multi-country outbreak from 2015 to 2018, associated with frozen sweetcorn produced in Hungary by Greenyard but no link in the supply chain was established. There was no information on countries of origin for components in the salad product tested in 2021. A dozen people were sick in the UK from 2015 to 2021.
COVID-19 impact
Elev