Composite photograph which shows a representative agarose gel depicting VP7-positive PCR products from clinical isolates and positive controls from tissue culture-adapted strains. Lanes: 1 and 13, 100-bp ladder (Boehringer Mannheim); 2, G1 isolate (Ballinasloe); 3, G1 isolate (Tralee); 4, G2 isolate (Tralee); 5, G2 isolate (Mercy Hospital); 6, G2 isolate (Galway); 7, G2 isolate (Ballinasloe); 8, G4 isolate (Crumlin); 9, Wa; 10, DS1; 11, P; 12, ST3.