Lecture 22

Question 1

Where has Calicivirus been isolated from

Answer 1

Broad range on vertebrates

Question 2

What are the symptoms of human calicivirus

Answer 2

Vomiting

Nausea, diarrhoea, abdominal cramping

Question 3

What does Rabbit Haemorrhagic disease virus cause

Answer 3

Rabbit haemorrhage disease in adult European rabbits

Question 4

Where was Rabbit Haemorrhagic disease virus first found

Answer 4

China

Question 5

What in the incubation of Rabbit Haemorrhagic disease virus

Answer 5

1-5 days

Question 6

What are the clinical signs of Rabbit Haemorrhagic disease virus

Answer 6

Fever, anorexia, apathy, prostration, nervous signs, respiratory signs and cyanosis of mucous membranes

Question 7

When does death occur with Rabbit Haemorrhagic disease virus

Answer 7

12-36 hours

Question 8

What are the primary lesions with Rabbit Haemorrhagic disease

Answer 8

Liver necrosis and splenomegaly

Question 9

What are the routes of transmission with Rabbit Haemorrhagic disease

Answer 9

Oral, nasal or conjunctival routes
Exposure to an infected carcass
Mechanical transmission

Question 10

What is vesticular exanthema of swine virus known for causing

Answer 10

Highly infectious, vesicular disease in febrile swine

Question 11

What is vesticular exanthema of swine virus indistinguishable from

Answer 11

Foot-and-mouth disease, swine vesticular disease and vesticular stomatitis disease

Question 12

What is vesticular exanthema of swine virus associated with

Answer 12

Vesicles in the mouth, tongue, lips, snout and feet at the coronary band between the digits

Question 13

How is vesticular exanthema of swine virus controlled

Answer 13

By test and slaughter

Prevention of swill feeding

Question 14

What is the natural reservoir of vesticular exanthema of swine virus

Answer 14

Sea food to pigs

Question 15

What is Feline calicivirus

Answer 15

highly contagious pathogen that is found worldwide

Question 16

How is Feline calicivirus shed

Answer 16

oral and nasal secretion during acute phase of infection

Question 17

How are cats infected with Feline calicivirus

Answer 17

Via the nasal oral or conjunctival routes

Question 18

When does transient viraemia occur with Feline calicivirus

Answer 18

3-4 days after infection and there is necrosis of epithelial tissues

Question 19

What is the most consistent pathological feature in cats with Feline calicivirus

Answer 19

Oral ulcerations

Question 20

What is associated with Feline calicivirus

Answer 20

Lameness with fever

Lesions in joints

Question 21

What is Feline stomatitis

Answer 21

Oral mucosa inflammation

Question 22

What is Virulent systemic feline calicivirus

Answer 22

Widespread lesions and subcutaneous oedema, ulceration of mouth and ulceration of skin particularly on the ears, nose and paw paws

Question 23

What is seen with Virulent systemic feline calicivirus

Answer 23

Gross lesions are variable and may include bronchointestitial pneumonia and necrosis in liver, spleen and pancreas

Question 24

What could be responsible for the highly virulent phenotype in Virulent systemic feline calicivirus

Answer 24

Mutations within the viral genome

Question 25

How is Virulent systemic feline calicivirus shed

Answer 25

Respiratory secretion, urine and faeces of infected cats

Question 26

What is the natural transmission of Virulent systemic feline calicivirus

Answer 26

Aerosol route and via fomites

Question 27

What is recovery of Virulent systemic feline calicivirus followed by

Answer 27

Prolonged oropharyngeal carrier state

Question 28

What is the second most common cause of viral gastroenteritis in children after rotavirus infection

Answer 28

Mamastroviruses

Question 29

What does Avian nephritis virus cause

Answer 29

Diarrhoea, growth retardation, kidney damage, and gout resulting in moderate increased mortality

Question 30

How is Avian nephritis virus transmitted

Answer 30

Direct or indirect contact

Question 31

What does Avian nephritis virus cause

Answer 31

Histological changes in the kidney although the viral antigen can be detected in other organs

Question 32

What are the 2 disease syndromes in young chicks with chicken astrovirus (CAstV)

Answer 32

Runting-stunting syndrome | White chick fever

Question 33

What is the most common cause of enteric viral hepatitis infection in humans worldwide

Answer 33

Hepatitis E virus

Question 34

In birds what is hepatitis E virus associated with

Answer 34

Big liver and spleen

Question 35

What is BSL/HSS spread by

Answer 35

Birds through faecal-oral route