Food Safety Reports: Steeple Claydon, England, United Kingdom

I bought the ham and cheese sub on the 19th July 2024 and its use by was on the 20th July 2024. I ate it on the 20th as had bought it for a quick lunch at work and an hour after I was sick and it is now the 23rd July and I am still very unwell.  | Symptoms: Nausea, Diarrhea, Stomach Pain, Fever, Cramps, Headache