Influenza A Virus, H1N1 SubtypeInfluenza, HumanSerotypingSerologyCross ReactionsAgglutination TestsImmunodiffusionSerologic TestsComplement Fixation TestsAntibodies, ViralImmune SeraAntibodies, BacterialHemagglutination TestsMycoplasmaAntigens, BacterialEpitopesEnzyme-Linked Immunosorbent AssaySpiroplasmaSeroepidemiologic StudiesDisease OutbreaksMolecular Sequence DataAntigens, ViralDNA Probes, HLAAcholeplasmaPolysaccharides, BacterialHemagglutination Inhibition TestsNeutralization TestsImmunoglobulin MImmunoglobulin GStreptococcusAntigensSpecies SpecificityRabbitsRh-Hr Blood-Group SystemPolymerase Chain ReactionRhamnoseFluorescent Antibody TechniqueLeptospirosis