My wife visited on Tuesday and has suspected food ...

My wife visited on Tuesday and has suspected food poisoning after eating a prawn salad in the restaurant. She went to have a nice relax and spent the next 24 hours using the toilet. I reported this the following day and was told the operations team would call that day to get some details. Now two days later and I've still not heard from them. I expect better customer service, especially on a matter that could potentially affect other customers' health.