Weston General Hospital was serving patients food from the same supplier linked to the deaths of five patients from listeria across the UK, but has taken steps to keep people safe.
Five people are suspected to have died after eating pre-packaged sandwiches and salads linked to the same supplier, The Good Food Chain.
The deaths occurred at four different hospital trusts - two in Manchester, one in Liverpool, one in Derby and a fifth in Leicester.
Weston Area Health NHS Trust was using the same supplier but has made changes.
Its spokesman said: "We took immediate steps to withdraw all products from the supplier as soon as we were alerted to a potential issue with them.
"As a precautionary measure, we have increased our surveillance and have not identified any cases of infections with listeria. All tests have come back negative.
"Nevertheless, we remain vigilant."
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