Watermelon Suspected in Illness - Costco, Sacramento California

7981 East Stockton Boulevard, Sacramento, 95823 California, United States

Suspected food poisoning. Symptoms: Diarrhea, Nausea, Cramps, Chills
Suspected source: Watermelon, rotisserie chicken, or hamburger
Onset: 4 to 12 hours
Duration: 12 to 24 hours
Sick: 2 people
Additional information: The rotisserie chicken, watermelon, and hamburger were all from Costco.
The hamburger was thoroughly cooked, so not likely source, but still listing it.
The chicken is the second least likely, because we had consumed part of it earlier with no I'll effects. Listing it to be thorough.
The watermelon is the most likely cause, since I had eaten more is that than my husband, and my illness was much more severe. The watermelon was one of a two pack, mini watermelon. Sold as "Pure❤️Heart, The Original Mini,", by the producer, Dulcinea Farms, in Guatemala. | Symptoms: Diarrhea, Nausea, Cramps, Chills