All of the following species of borrelia are associated with Tick Borne Relapsing Fever, EXCEPT:
**Core Concept**
Tick-borne relapsing fever (TBRF) is a tick-borne disease caused by various species of Borrelia bacteria. These bacteria are transmitted through the bite of an infected tick and can cause recurring episodes of fever, headache, and other symptoms.
**Why the Correct Answer is Right**
The correct answer is related to the specific species of Borrelia associated with TBRF. Borrelia species such as Borrelia hermsii, Borrelia parkeri, and Borrelia turicatae are known to cause TBRF. These species are transmitted by the bite of soft ticks (genus Ornithodoros) and are prevalent in North and South America.
**Why Each Wrong Option is Incorrect**
* **Option A:** Borrelia burgdorferi is the primary cause of Lyme disease, not TBRF. It is transmitted by the black-legged tick (Ixodes scapularis) and is associated with a different set of symptoms.
* **Option B:** Borrelia recurrentis is the causative agent of louse-borne relapsing fever, not TBRF. It is transmitted through the bite of an infected body louse and is prevalent in Africa and Asia.
* **Option C:** Borrelia afzelii is another species associated with Lyme disease, not TBRF. It is also transmitted by the black-legged tick (Ixodes scapularis) and is found in Europe and Asia.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that different species of Borrelia cause different tick-borne diseases, and each species has distinct epidemiological and clinical features.
**Correct Answer: D. Borrelia burgdorferi**