Shiga toxin-producing Escherichia coli [E. coli] (STEC) O157
shiga toxin-producing escherichia coli [e. coli] (stec) o157
Shiga toxin-producing Escherichia coli [E. coli] (STEC) O157
shiga toxin-producing escherichia coli [e. coli] (stec) o157