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Bacteriology > Rickettsia spp > Flashcards

Rickettsia spp Flashcards

1
Q

Characteristics

A

Gram-negative, aerobic, coccobacilli, intracellular bacteria of eukaryotic cells (Reside in the cytoplasm or within nucleus of the cell they invade)

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2
Q

Rickettsia felis
Vector and host

A

Zoonotic disease
Cat fleas as vector
Host - cats and dogs

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3
Q

Rickettsia felis

Transmission

A

Bites (feeding ticks require 6 to 20 hours of attachment and feeding)

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4
Q

Rickettsia felis

Clinical signs

A

Fever (4-5 days after)
Cutaneous lesion (hyperemia, edema of the extremities, and pinna f the ears, lips and scrotum)
Petechial hemorrhage (oral, genital or ocular mucous membranes)

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5
Q

Rickettsia spp
Diagnosis

A

Isolation
- ell culture system and Biosafety level 3 -equipment
Serology - ifa
Molecular methods - PCR

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6
Q

Rickettsia spp

Control, prevention and treatment

A

Reducing exposure to ticks (family Ixodidae)

Early diagnosis and antibiotic treatment (tetracycline, doxycycline)

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Bacteriology (17 decks)

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