Culture from nasopharynx is irrelevant. Gm stain, oxidase, CIE, Fl-Ab, Latex agglutination. DIC - heparin, glucocorticosteroids. IL-1, PMN, capillary permeability. E. Prevention and Control 1.
Clinical trials show safe and immunogenic in adults.
Cidal antibody when injected with alum into children. Inconclusive results in 2 year olds in Africa.