TABLE 1.

Responses of human serum samples to different E. coli LPSs determined by ELISA with a cutoff point of 0.7

Serum sample source (no. of samples)No. (%) of samples reactive against the following E. coli LPS:
O7O116O157
Adults (562)7 (1.0)27 (5.0)28 (5.0)
Children (43)1 (2.0)5 (12.0)2 (5.0)
    Total (605)8 (1.0)32 (5.0)30 (5.0)