Relapsing fever classification

Roghayeh Marandi

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

There are two major forms of relapsing fever: endemic tick-borne and epidemic louse-borne. TBRF is transmitted by the soft body ticks (vectors) from a small mammal reservoir and maybe endemic or sporadic. LBRF is transmitted person-to-person by human body lice (vectors) from an infected human reservoir.

There are two forms of relapsing fever:

• Endemic tick-borne or TBRF
• Epidemic louse-borne or LBRF

Tick-borne Relapsing Fever = Endemic Relapsing Fever

• Sporadic cases
• Transmitted by soft ticks

Louse-borne Relapsing Fever = Epidemic Relapsing Fever

• Transmitted person-to-person by the human body lice (vectors) from an infected human reservoir.

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