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RUSVM Virology > Picornaviridae > Flashcards

Picornaviridae Flashcards

1
Q

Swine vesicular disease is excreted in

A

Feces

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2
Q

Diagnosis of swine vesicular disease

A

Rapid test to rule out FMD

RT-PCR

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3
Q

Transmission of Foot and Mouth Virus

A

Respiratory Aerosols

Direct Contact

Indirect Contact via Fomite

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4
Q

Diagnosis of Foot and Mouth Disease

A

Virus isolation and identification - vesicular fluid

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5
Q

Clinical sign of what picornavirus

A

Swine Vesicular Disease Virus

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6
Q

Clinical features of Swine Vesicular Disease

A

Sudden appearance of lameness

Vesicles appear at the junction between heel and coronary band

Lesions on snout, lips and tongue

+/- encephalomyelitis

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7
Q

Swine vesicular disease virus is transmitted to pigs by

A

Skin abrasions and mucosa by ingestion and inhalation

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8
Q

Foot and Mouth Disease Virus belongs to what picornavirus genus

A

Aphthovirus

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9
Q

Effective disinfectent for picornaviruses

A

Sodium carbonate

_________________

Stable in mucus and feces, and can withstand strong sunlight

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10
Q

First demontrated as filterable agents that caused disease in animals

A

Picornavirdiae

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11
Q

Picornavirus Genus Enterovirus

A

Ubiquitous and occur in all vertebrates

Swine Vesicular Disease

Polioencephalomyelitis

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12
Q

Clinical sign of what Picornavirus

A

Swine Vesicular Disease Virus

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13
Q

Swine Vesicular Disease Virus

A

Italy

Resistant to ambient temperature and sodium carbonate

Transmitted to humans in pork products

Pigs only natural host

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14
Q

T/F: Samples for Foot and Mouth Disease Virus can be taken for laboratory diagnostics without prior contact of authorities.

A

False

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15
Q

Replication of swine vesicular disease occurs where

A

Gastrointestinal tract

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16
Q

Food and mouth disease virus stability

A

Survies in milk, milk products and bone marrow

17
Q

Picornavirus virion properties

A

Non enveloped

Single stranded

Positive sense RNA

18
Q

Picornavirdiae - 8 genera

A

Aphtovirus

Teschovirus

Erbovirus

Heaptovirus

Enterovirus

Cardiovirus

Kobuvirus

Parechovirus

19
Q

Clinical signs of foot and mouth disease in cattle and pigs

A

Excessive salivation

Vesicles on coronary bands and interdigital space

Lesions on teats

abortion

20
Q

Foot and Mouth Disease Virus genome organization

A

Single large open reading frame

21
Q

Picornavirus that does not enter cells through endocytosis

A

Poliovirus

22
Q

Transmission of foot and mouth disease to humans

A

Very rare

Type O, C and A

Ingestion of unprocessed milk or dairy products

23
Q

Clinical signs of foot and mouth virus in sheep and goats

A

Mild if any - fever, oral lesions, lameness

RUSVM Virology (35 decks)

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