Exam 3: Calcivirus

Question 1

How do you morphologically characterize a calcivirus?

Answer 1

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

Question 2

What are the genomic characteristics of calcivirus?

Answer 2

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)

Question 3

What is San Miguel sea lion virus synonymous with?

Answer 3

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

Question 4

What viruses are in the genera Vesivirus?

Answer 4

San Miguel sealion viruses
Vesicular exanthema of swine viruses
Feline calcivirus

Question 5

What are hosts of San Miguel sealion viruses?

Answer 5

Sea lion

Pinnipeds

Question 6

What is the host of vesicular exanthema of swine viruses?

Answer 6

Swine

Question 7

What is the host of feline calcivirus?

Answer 7

Feline

Question 8

What is the disease associated with San Miguel sealion viruses?

Answer 8

Vesicular, neonatal hemorrhagic syndrome

Question 9

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

Answer 9

Vesicular, purpura hemorrhagica in aborted piglets

Question 10

What is the disease associated with feline calcivirus?

Answer 10

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

Question 11

What is the virus in the Lagovirus genera?

Answer 11

Rabbit calcivirus disease

Question 12

What is the host of rabbit calcivirus dsease?

Answer 12

European rabbit

Question 13

What is the disease associated with rabbit calcivirus disease?

Answer 13

Hemorrhagic, systemic, and hepatotropic

Question 14

What is the virus in the Norovirus genera?

Answer 14

Bovine enteric calciviruses

Question 15

What is the host of bovine enteric calciviruses?

Answer 15

Bovine, European

Question 16

What is the disease associated with bovine enteric calciviruses?

Answer 16

Diarrhea, enteropathogenic

Question 17

What is the host of amyelosis chronic stunt virus?

Answer 17

Insects

Question 18

What is the disease associated with amyelosis chronic stunt virus?

Answer 18

Stunted insects

Question 19

What is the host of canine calcivirus?

Answer 19

Canine

Question 20

What is the disease associated with canine calcivirus?

Answer 20

Diarrhea (rare)

Glossitits

Question 21

What is the host of fowl calcivirus?

Answer 21

Chickens

Question 22

What is the disease associated with fowl calcivirus?

Answer 22

Stunted broiler chicks

Question 23

What is the host of mink calcivirus?

Answer 23

Mink

Question 24

What is the disease associated with mink calcivirus?

Answer 24

Enteritis

Question 25

What is the host of porcine enteric calcivirus?

Answer 25

Porcine

Question 26

What is the disease associated with porcine enteric calcivirus?

Answer 26

Diarrhea in piglets

Question 27

What is the host of walrus calcivirus?

Answer 27

Walrus

Question 28

What is the disease associated with walrus calcivirus?

Answer 28

Enteritis

Question 29

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

Answer 29

Enteritis

Question 30

What are the hemorrhagic calciviruses?

Answer 30

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

Question 31

What are the most common clinical manifestations of feline calcivirus?

Answer 31

Oral ulcers and pneumonia