DCA media used in differentiation of which infection?
Ans. is 'a' i.e., Salmonella Deoxycholate citrate agar (DCA) medium is a selective medium for Salmonella and Shigella. It is also used as a differential medium to differentiate lactose fermenter from non-lactose fermenting enteric pathogens. Salmonella and Shigella (except Shigella Sonnei) are non-lactose fermenters.
Salmonella
Staph aureus
H. influenzae
Bordetella