Microbial Diseases of the Upper Respiratory System Laryngitis:S.pneumoniae,S.pyogenes,viruses Tonsillitis:S.pneumoniae,S.pyogenes,viruses 。Sinusitis:Bacteria Epiglottitis:H.influenzaeMicrobial Diseases of the Upper Respiratory System • Laryngitis: S. pneumoniae, S. pyogenes, viruses • Tonsillitis: S. pneumoniae, S. pyogenes, viruses • Sinusitis: Bacteria • Epiglottitis: H. influenzae