Chicken Sandwich Illness Strikes - Asda, Centre England

Centre, CM2 6RE England, United Kingdom

Are a chicken mayo and seeetcorn sandwich at 1pm yesterday. No other suspicious food before this. 8:30pm violent vomiting. I stopped counting after 14 episodes, diarrhoea, aches, headache and fever (highest 39.5°). I’ve felt so unwell unable to even stand up. | Symptoms: Nausea, Diarrhea, Vomiting, Fever, Headache