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Epidemiology - MIDTERM 2 > PQS - Calicivirus > Flashcards

PQS - Calicivirus Flashcards

1
Q

Calicivirus can cause persisting infections in the tonsils

A

T

Also in nasopharyngeal mucousa

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2
Q

Sapoviruses cause gastrointestinal infections in human.

A

T

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3
Q

The VES infection results in clinical signs similar to that of FMD

A

T

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4
Q

The VES virus can survive in water for 2 weeks

A

T

Can survive in the environment for AT LEAST 2 weeks

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5
Q

The primary source of VES infection is sea origin feed

A

T

After a pig is infected, it can be transmitted from pig to pig

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6
Q

VES causes the highest mortality in pregnant sows

A

F

Low mortality rate, only weak piglets die

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7
Q

VES causes mortality in piglets

A

T

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8
Q

VES is more contagious than FMD

A

F

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9
Q

Lameness is one of the signs of vesicular exanthema in swine

A

T

Due to vesicles on the foot

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10
Q

Vaccines are ideally used for the prevention against swine vesicular exanthema

A

F

No vaccines available

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11
Q

Swine vesicular exanthema virus is present worldwide

A

F

In American countries

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12
Q

The Vesicular Exanthema of swine virus infects only pigs.

A

F

Seals too

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13
Q

Clinical signs of the Vesicular Exanthema of swine can be similar to the Foot and Mouth
disease.

A

T

Only differentiated by Lab work!!

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14
Q

VES can be easily differentiated from FMD by the character of the vesicles.

A

F

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15
Q

Vesicular exanthema of swine is sea-mammal origin

A

T

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16
Q

We can differentiate VES from FMD by the lack of lameness.

A

F

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17
Q

Several serotypes of Swine Vesicular Exanthema virus can be detected in fishes.

A

T

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18
Q

Rodents are the reservoir hosts of Vesicular Exanthema of Swine virus.

A

F

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19
Q

Midges are the main vectors of the Vesicular exanthema of swine virus.

A

F

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20
Q

Feline calicivirus is carried and shed by vaccinated animals too

A

T

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21
Q

The feline calicivirus is shed in excretes

A

T

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22
Q

The feline calicivirus infection can be recognised by the ulcers seen on the tongue

A

T

Most characteristic

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23
Q

The feline calicivirus infection can cause the limping of kittens

A

T

The limping syndrome

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24
Q

Cat queens frequently abort in the acute phase of Feline Calici virus infection.

A

F

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25
Q

Bordetella bronchiseptica can complicate calicivirus infection of cats

A

T

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26
Q

Virulent strains of feline calicivirus can cause severe systemic syndrome

A

T

27
Q

Feline calicivirus can cause persisting infection In the tonsils

A

T

28
Q

Cats may carry and shed feline calicivirus for several month or years

A

T

29
Q

Feline caliciviruses cause haemorrhagic enteritis

A

F

30
Q

Some variants of feline calicivirus may escape vaccine induced protection

A

T

31
Q

Cats shed the Feline calicivirus for several weeks.

A

T

Minimum 30 days

32
Q

Lameness and fever are possible clinical signs of Feline calicivirus infection.

A

T

33
Q

Oral erosions are signs of Feline calicivirus infection.

A

T

34
Q

Virulent strains of the Feline calicivirus can cause systemic disease with mortality.

A

T

35
Q

Virulent systemic feline calicivirus causes more severe symptom in kittens

A

F

More severe in adults

36
Q

FCV infection results in a two-phase fever.

A

T

37
Q

Infected cats carry feline calicivirus at least for a month.

A

T

30 days

38
Q

Feline calicivirus may be shed by urine and faeces.

A

T

But mainly in saliva

39
Q

Feline calicivirus infection may cause pyrexia and lameness.

A

T

40
Q

Erosions on the oral mucosa are frequent signs of feline calicivirus infection.

A

T

41
Q

Feline calicivirus has a very characteristic biphasic fever.

A

T

42
Q

RHD induces clinical signs mostly in animals younger than 2 months

A

F

Clinical signs more frequently over 8 weeks of age

43
Q

RHD virus is used for biological control of rural rabbits

A

T

In Australia and New Zealand

44
Q

RHD virus propagates in the liver of the infected animals

A

T

45
Q

RHD virus can be propagated in cell culture

A

F

46
Q

Vaccines against RHDV-1 induce protection against RHDV-2 too

A

F

They are antigenitically different

47
Q

Encephalitis is a frequent sign of the rabbit haemorrhagic disease

A

F

48
Q

Rabbit haemorrhagic disease virus is transmitted by mosquitoes

A

F

49
Q

Rabbit haemorrhagic disease is characterized by rapid progression

A

T

50
Q

Australia is free of rabbit haemorrhagic disease

A

F

They use it as pest control

51
Q

There are no vaccines available against rabbit haemorrhagic disease

A

F

Inacitavted vaccines used in combination with myxomatosis

52
Q

Up to 100% of susceptible rabbits may be killed by rabbit haemorrhagic disease

A

T

53
Q

The incubation time of rabbit haemorrhagic disease is usually over 3 weeks

A

F

1-4 days

54
Q

Hepatic necrosis is a frequent lesion of rabbit hemorrhagic disease

A

T

55
Q

Rabbits over 1 month of age become susceptible to the Rabbit Haemorrhagic Disease virus.

A

F ?? True in studysmarter

Type 1: Over 8 weeks of age
Type 2: All ages, especially young ones - Even 15-20 day old rabbits

56
Q

The Rabbit Haemorrhagic Disease is present only in Australia

A

F

57
Q

Rabbit Haemorrhagic Disease virus usually causes death in 1-3 weeks old rabbits.

A

F

Can cause infection from 15-20 day old rabbits - 2 week old

58
Q

There are no vaccines available against Rabbit Haemorrhagic Disease.

A

F

59
Q

The haemorrhage in RHD is the result of virus multiplication in the liver.

A

T

60
Q

In RHD pathology we can see haemorrhages and infarcts in the kidney.

A

T

61
Q

Vaccine against RHD is produced in rabbits.

A

T

From the liver

62
Q

RHD causes airborne infection.

A

T

63
Q

The Rabbit Haemorrhagic Disease is a chronic illness with low morbidity.

A

F

It is acute and have high mortality

Epidemiology - MIDTERM 2 (35 decks)

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