Rickettsia and related

Question 1

Rocky mountain spotted fever

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 1

• Pathogen/diagnostic features: Rickettsia rickettsii
• Vector: ticks
• Reservoir: wild rodents, wild and domestic dogs

Question 2

Rickettsial pox

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 2

• Pathogen/diagnostic features: R. akari
• Vector: Mites
• Reservoir: Rodents/urban

Question 3

Epidemic typhus

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 3

• Pathogen/diagnostic features: R. prowazekii
• Vector: Louse (pediculus humanus)
• Reservoir: Human (flying squirrels)

Question 4

Endemic/murine typhus

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 4

• Pathogen/diagnostic features:R. typhi
• Vector: Rat fleas
• Reservoir: Rodents

Question 5

Scrub typhus

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 5

• Pathogen/diagnostic features: Orientia tsutsugamushi
• Vector: Mites
• Reservoir: Rodents

Question 6

Human monocytic Ehrlichiosis

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 6

• Pathogen/diagnostic features: Ehrlichia chaffeensis
• Vector: Ticks
• Reservoir: Dogs, deer, and other canines

Question 7

Human granulocytic anaplasmosis

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 7

• Pathogen/diagnostic features: Anaplasma phagocytophilum
• Vector: Ticks
• Reservoir: Small rodents, deer, sheep

Question 8

Q fever

• Pathogen/diagnostic features:
• Vector:
• Reservoir:

Answer 8

• Pathogen/diagnostic features: Coxiella burnetti
• Vector: No vector
• Reservoir: Cattle, sheep, goats, cats