CounterimmunoelectrophoresisImmunodiffusionImmunoelectrophoresisPrecipitinsLatex Fixation TestsAgglutination TestsAntigens, BacterialMeningitisMeningitis, HaemophilusAntibodies, FungalViruses, UnclassifiedHemagglutination TestsEvaluation Studies as TopicStreptococcus pneumoniaeHaemophilus influenzaeComplement Fixation TestsCross ReactionsCinchona AlkaloidsAleutian Mink DiseaseAleutian Mink Disease VirusImmune SeraImmunoelectrophoresis, Two-DimensionalHepatitis B AntigensReagent Kits, DiagnosticStreptococcus agalactiaeAntibodies, BacterialPneumonia, PneumococcalNeisseria meningitidisSerotypingPolysaccharides, BacterialTeichoic AcidsEnzyme-Linked Immunosorbent AssayFalse Positive Reactions