The type of Diphtheria with highest moality is-: (A) Pharyngeal, (B) Nasal, (C) Laryngeal, (D) Conjuntival
Answer is C. In laryngotracheal diphtheria if infection extends in to bronchial tree , it is the most severe form of disease. Prostration and dyspnoea occurs as a result of obstruction caused by membrane. This may cause suffocation if not treat properly with intubation or tracheostomy Reference : Park&;s Textbook of preventive and social medicine, 24th edition.Pg no171