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5 Tick-borne infections
Diseases, Agents, Descriptions
5
Medical
Post-Graduate
03/12/2009
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Term

 

 

 

Babesiosis

 

Tick-borne

 Definition

P: Babesia spp.

  • Spread by ticks
  • Malaria-like symptoms

 
Term

 

 

 

Ehrlichiosis

 

Tick-borne

 Definition

B: Ehrlichia spp.

  • Rickettsial - class Proteobacteria
  • Spread by ticks
  • Usually asymptomatic

 
Term

 

 

 

Lyme disease

 

Tick-borne

 Definition

B: Borrelia burgdorferi

  • Spread by Ixodes scapularis ticks
  • Bulls-eye rash (erythema migrans) in some cases
  • Leads to arthritis and neurologic symptoms if untreated
Term

 

 

 

Rocky Mountain Spotted Fever

 

Tick-borne

 Definition

B: Rickettsia rickettsii

 

  • Spread by ticks
  • Most severe and common rickettsial disease in the USA (though still rare)
Term

 

 

 

Tularemia

 

Tick-borne

 Definition

B: Francisella tularensis

  • "Rabbit fever"
  • Spread by ticks and other insects
  • About 200 cases/year in USA, usually in rural areas
  • Potential bioweapon if aerosilized
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