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Virology FINAL nr2 > ARTERIVIRIDAE > Flashcards

ARTERIVIRIDAE Flashcards

1
Q

Genus

A

Arterivirus

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2
Q

Morphology

A

Enveloped

+ ssRNA genome

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3
Q

Recistance

A

Weak

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4
Q

Biological properties

A
  • Baltimore IV -
  • Use sub-genomic mRNA
  • No typical CPE
  • Transmission – sexual or aerogenus
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5
Q

Antigenic properties

A

Good antigens

No cross reactions

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6
Q

Diagnosis

A

Clinical signs
Difficult to isolate
Histopathology, IF, RT-PCR
Indirect – ELISA

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7
Q

Arterivirus genus

A
  1. Equine arteritis virus – (EAV)
    - Affects capillaries of small arteries
    => abortion, respiratory symptoms
    =>Stallions can become persistently infected
    • Virus shed via semen
  2. Porcine respiratory & reproductive syndrome (PRRS)
    - Early abortion,
    - infertility
    - Respiratory systems – cyanosis – (Blue ear)
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Virology FINAL nr2 (35 decks)

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