A 40-year-old woman was diagnosed with glomerulonephritis based on her clinical symptoms and the results of urine analysis. Anamnesis states chronic tonsillitis. What microorganisms are the most likely cause for her kidney damage?

Answer options

1. Staphylococci
2. Meningococci
3. Streptococci
4. Escherichia
5. Mycoplasma

Explanation

Immune complex/type iii hypersensitivity: free antigen and antibody interact to form an immune complex which deposits in vessels and damage cells by complement system activation resulting in glomerulonephritis. Usually develops several weeks after streptococcal infection (tonsilitis).