Syndrome | Pathogen | Vector | Reservoir hosts | Geographic distribution |
---|---|---|---|---|
Tick-borne relapsing fever | > 15 Borrelia species | Soft tick (Ornithodoros spp.) | Rodents | Worldwide |
Louse-borne relapsing fever | Borrelia recurrentis | Human body louse (Pediculus humanus humanus) | Humans | Worldwide (primarily eastern Africa) |
Hard tick–borne relapsing fever | Borrelia miyamotoi | Hard tick (Ixodes spp.) | Rodents | Northern hemisphere |