A staff member at Young's Seafood in Grimsby has tested positive for coronavirus, the company confirmed to GrimsbyLive.
The staff member, a woman who works at the company's Humberstone Road site, is self-isolating at home.
Food manufacturing businesses such as Young's have implemented strict hygiene protocols and measures in line with government guidelines to try to tackle the threat of COVID-19.
But one worker told GrimsbyLive there is an issue with workers passing in and out of turnstiles at the site at the same time.
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