Cruise Buffet Illness: One Affected - Carnival Ecstasy cruise ship,

Jan. 31, 2018 (day 4 of cruise) onset of bloating, nausea, vomiting, diarrhea, lasting several days. I ate many food items from the breakfast and lunch buffet so impossible to track down culprit. Increasing nausea during the day, unable to eat supper due to symptoms. The other three people in my party were unaffected. | Symptoms: Diarrhea, Nausea, Vomiting, Bloating