Foodborne Illness Investigations NHS Report: E. coli Outbreak at Scottish Concert Venue Caused by Undercooked Burgers An outbreak of E. coli O157 Verotoxin-producing E. coli (VETC) which sickened 22 people at the SSE Hydro concert venue in Glasgow, Scotland, earlier this year was caused by undercooked By News Desk / 4 Jul 2014