The RIDASCREEN® Norovirus 3rd Generation EIA test is a qualitative enzyme immunoassay (EIA) intended for the detection of selected genogroup I (GI.1, GI.2, GI.3, GI.4, GI.7) and genogroup II (GII.1, GII.2, GII.3, GII.4, GII.5, GII.6, GII.7, GII.8, GII.10, GII.12, GII.13, GII.14, GII.17) norovirus strains in human feces as an aid in investigating the cause of acute gastroenteritis outbreaks.