A stool culture from an 11-month-old male suffering from bloody diarrhea gave the following results on differential enteric media:
MacConkey agar: clear colonies
Xylose Lysine Deoxycholate agar: clear colonies
Hecktoen Enteric agar: clear colonies
Which of the following tests must be performed to confirm the final identification of this enteric pathogen?
A) Shigella serotyping B) No further testing is required
C) Salmonella serotyping D) Latex agglutination for E. coli O157:H7
A
Health Professions