This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology Pa 1 (Immune Response, Antigen-Antibody Reactions, Hypersensitivity, Structure of Immune System, Immunodeficiency Disorders), Subject name: Microbiology
All are Type-III hypersensitivity reaction except: 
Select and explain. 
A. Polyaeritis nodosa, B. Post- streptococcal glomerulonephritis, C. Epstein barr virus infections, D. Pemphigus vulgaris
D: Pemphigus vulgaris
Answer: D: Pemphigus vulgaris 
Explanation: Pemphigus vulgaris is type 2 hypersensitivity reaction. examples of various hypersensitivity reaction are given in attached treasure.