The type of Diphtheria with highest moality is
Laryngeal diphtheria causes asphyxia due to mechanical obstruction of the respiratory passage by the pseudomembrane. Emergency tracheostomy may be necessary in such cases. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 240
Pharyngeal
Nasal
Laryngeal
Conjuctival
Bacteriology