What Is Norovirus?

What it is

Norovirus antigen

Why it matters

Leading cause of acute gastroenteritis outbreaks.

Specimen

Feces

Interpretation

Positive = active shedding

Limitations

Supports outbreak screening

Related test: Norovirus Rapid Test — specimen: Feces

Frequently Asked Questions

What does a norovirus antigen test show? Active norovirus shedding — a leading cause of gastroenteritis outbreaks.