Identification of Escherichia Coli toxins by Bead ELISA

Seven hundred and eleven isolates of Escherichia Coli and 21 isolates of other bacteria were tested for the production of toxins as shiga-like toxin 1 (SLT I or VT 1), shiga-like toxin 2 (SLT II or VT 2) and heat labile toxin (LT) by Nead ELISA method. It was observed that 31 percent of children and 50 Percent of adults with diarrhoea and gastroenteritis were caused by enterotoxin. The verotoxin E. Coli strains belonged to serogroups 026, 055, 086, 0125, 0142 and 0157 and other untypable serogroups.