Table 2 Study eligibility criteria

Inclusion criteria

1. Parent or caregiver of a child 16 years old or younger.

2. Child is presenting to the ED with vomiting and diarrhea.

3. Parent is fluent in English.

4. Parent is willing to be contacted for follow-up data collection.

Exclusion criteria

1. Child has significant chronic gastrointestinal problem or inflammatory bowel disease (i.e., Crohn’s disease, inflammatory bowel disease, ulcerative colitis, chronic constipation).

2. Child is taking immunosuppressive therapy or known history of immunodeficiency.

3. Child has undergone oral or gastrointestinal surgery within the preceding 7 days.

4. Child has had a prior visit to the ED for vomiting and diarrhea within the preceding 14 days.