Which of the following would not be part of a diagnostic

Last updated: 5/16/2023

Which of the following would not be part of a diagnostic profile for someone suffering from E coli O157 H7 food poisoning Oa Positive ELISA for verotoxin b Pink colonies on lactose MacConkey agar O c Positive ELISA for flagellar antigen 7 Od Positive ELISA for somatic antigen 157 e Red colonies on sorbitol MacConkey agar