What Is Rotavirus?
What it is
Rotavirus antigen
Why it matters
Leading cause of pediatric gastroenteritis.
Specimen
Feces
Interpretation
Positive = active shedding
Limitations
Antigen indicates active infection
Related test: Rotavirus Rapid Test — specimen: Feces
Frequently Asked Questions
What does a rotavirus antigen test show? Active rotavirus shedding — a leading cause of pediatric gastroenteritis.
Related knowledge
References
- WHO. Rotavirus surveillance guidance.
Last reviewed: 2026-09-12