<prompt> Selective medium for meningococcal infection isDCABllood agarLJ mediumThayer - main medium  <response>: Selective media for Neisseria meningitis is Thayer - Main media. Contain vancomycin, colistin and nystatin. These antimicrobials will suppress the growth of other organisms which inhibits the growth of Meningococci. Reference: Textbook of microbiology; Anathanarayan panikers 10th edition, pg no: 231 