What Organism Causes Relapsing Fever

Question

What organism causes relapsing fever?
A) Borrelia recurrentis
B) B. burgdorferi
C) Leptospira interrogans
D) C. psittaci

Accepted Answer

Borrelia recurrentis is the organism that causes relapsing fever. B. burgdorferi causes Lyme disease, Leptospira interrogans causes leptospirosis, and C. psittaci causes psittacosis.