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Infectious Agents II > Exam 3: Calcivirus > Flashcards

Exam 3: Calcivirus Flashcards

1
Q

How do you morphologically characterize a calcivirus?

A

Virions have a capsid and are non-enveloped
Round capsid/nucleocapsid with icosahedral symmetry
Capsomere is clearly visible
Capsid has 32 cup-shaped depressions

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2
Q

What are the genomic characteristics of calcivirus?

A

Genome is not segmented and consists of a single molecule of linear positive-sense single-stranded RNA
By itlsef, genomic nucleid acid is infectious
Genomes code for one major structural capsid protein (VP1) and a minor capsid protein (VP2) and a large polyprotein (NS)

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3
Q

What is San Miguel sea lion virus synonymous with?

A

It is related to vesicular exanthema of swine viruses morphologically and antigenically

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4
Q

What viruses are in the genera Vesivirus?

A

San Miguel sealion viruses
Vesicular exanthema of swine viruses
Feline calcivirus

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5
Q

What are hosts of San Miguel sealion viruses?

A

Sea lion

Pinnipeds

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6
Q

What is the host of vesicular exanthema of swine viruses?

A

Swine

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7
Q

What is the host of feline calcivirus?

A

Feline

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8
Q

What is the disease associated with San Miguel sealion viruses?

A

Vesicular, neonatal hemorrhagic syndrome

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9
Q

What is the disease associated with vesicular exanthema of swine viruses?

A

Vesicular, purpura hemorrhagica in aborted piglets

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10
Q

What is the disease associated with feline calcivirus?

A

Oral ulcers
URT disease
Pneumonia
Arthritis, hemorrhagica, and enteritis are rare

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11
Q

What is the virus in the Lagovirus genera?

A

Rabbit calcivirus disease

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12
Q

What is the host of rabbit calcivirus dsease?

A

European rabbit

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13
Q

What is the disease associated with rabbit calcivirus disease?

A

Hemorrhagic, systemic, and hepatotropic

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14
Q

What is the virus in the Norovirus genera?

A

Bovine enteric calciviruses

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15
Q

What is the host of bovine enteric calciviruses?

A

Bovine, European

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16
Q

What is the disease associated with bovine enteric calciviruses?

A

Diarrhea, enteropathogenic

17
Q

What is the host of amyelosis chronic stunt virus?

A

Insects

18
Q

What is the disease associated with amyelosis chronic stunt virus?

A

Stunted insects

19
Q

What is the host of canine calcivirus?

A

Canine

20
Q

What is the disease associated with canine calcivirus?

A

Diarrhea (rare)

Glossitits

21
Q

What is the host of fowl calcivirus?

A

Chickens

22
Q

What is the disease associated with fowl calcivirus?

A

Stunted broiler chicks

23
Q

What is the host of mink calcivirus?

A

Mink

24
Q

What is the disease associated with mink calcivirus?

A

Enteritis

25
Q

What is the host of porcine enteric calcivirus?

A

Porcine

26
Q

What is the disease associated with porcine enteric calcivirus?

A

Diarrhea in piglets

27
Q

What is the host of walrus calcivirus?

A

Walrus

28
Q

What is the disease associated with walrus calcivirus?

A

Enteritis

29
Q

What is the disease associated with calcivirus in reptiles and amphibians?

A

Enteritis

30
Q

What are the hemorrhagic calciviruses?

A

San Miguel sealion viruses
Vesicular exanthema of swine viruses
Feline calcivirus (rare)
Rabbit calcivirus disease

31
Q

What are the most common clinical manifestations of feline calcivirus?

A

Oral ulcers and pneumonia

Infectious Agents II (25 decks)

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