<prompt> Organism causing otitis externa includes all exceptEscherichia coliCandida albicansStreptococcus pyogenesStaphylococcus aureus  <response>: Some Causes of Otitis Externa a. Staphylococcus aureus b. Pseudomonas pyocyaneus c. B. proteus d. Escherichia coli e. Aspergillus niger f. Aspergillus fumigatus g. Candida albicans h. Herpes zoster 