Poststreptococcal acute glomerulonephritis is an example of:: (A) Type I hypersensitivity, (B) Type II hypersensitivity, (C) Type III hypersensitivity, (D) Type IV hypersensitivity
Answer is C. Immune-Complex Disease
Formation of circulating immune complexes contributes to the pathogenesis of a number of conditions other than serum sickness. These include the following:

Autoimmune diseases
	
Systemic lupus erythematosus (SLE)
Rheumatoid arthritis


Drug reactions
	
Allergies to penicillin and sulfonamides


Infectious diseases
	
Poststreptococcal glomerulonephritis
Meningitis
Hepatitis
Infectious mononucleosis
Malaria
Trypanosomiasis



Parija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page: 154