Escherichia virus CC31
"CC31" was first isolated from "Escherichia coli" B strain S/6/4 and is primarily associated with "Escherichia , " even though is named after "Enterobacter . " 
<triplet> Escherichia coli <subj> Escherichia <obj> parent taxon <triplet> Escherichia <subj> Escherichia coli <obj> taxonomic type