| Spotted fever | |
|---|---|
 | |
| Eschar at site of tick or mite bite[1] | |
| Specialty | Infectious disease |
Aspotted fever (also known asspotted fever rickettsiosis) is a type oftick-borne disease which presents on the skin.[2] Spotted fever infections includeRocky Mountain spotted fever,Rickettsia parkeri rickettsiosis,Pacific Coast tick fever, andrickettsialpox.[3] They are all caused bybacteria of thegenusRickettsia.Typhus is a group of similar diseases also caused byRickettsia bacteria, but spotted fevers and typhus are different clinical entities.
Transmission process: When the tick latches on, it needs to be removed within 2 hours. If not noticed or unremoved, it takes only 10 hours for the tick to transmit the (disease) to the human.[citation needed]
The phrase apparently originated in Spain in the 17th century and was ‘loosely applied in England to typhus or any fever involvingpetechial eruptions.’ During the 17th and 18th centuries, it was thought to be "cousin-germane" to and herald of thebubonic plague, a disease which periodically afflicted the city of London and its environs during the 16th and 17th centuries, most notably during theGreat Plague of 1665.[4]
Types of spotted fevers include:[citation needed]
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