It is considered one of America’s largest megachurches, which are congregations with an average weekly worship attendance of 2,000 people or more. There are nearly 1,800 megachurches in the United States, according to the Hartford Institute for Religion Research.
1800 x 2000 = 3,600,000, roughly 1% of the U.S. population.
You might consider allergy including those from food. You can change food brands/flavors, analyse ingredient differences, and note responses. I understand vets can also prescribe anti-histamines. Good luck.