title: Letter: Escherichia coli K1.
mesh_terms: D000942:Antigens, Bacterial / Q000302:isolation & purification; D003428:Cross Infection / Q000382:microbiology*; D004926:Escherichia coli / Q000276:immunology / Q000302:isolation & purification*; D004927:Escherichia coli Infections / Q000382:microbiology*; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000382:microbiology*; D008297:Male
chemical_list: D000942:Antigens, Bacterial