African Swine Fever Flashcards

1
Q

Several virulence variants of African Swine Fever Virus exist

A

True

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2
Q

African swine fever is shed in the saliva of the infected animals

A

True

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3
Q

ASF virus is shed in the urine of the infected animals

A

False

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4
Q

Stamping out of the infected herds is applied in the control of African Swine Fever

A

True

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5
Q

The leading clinical sign in African swine fever is excess salivation

A

False

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6
Q

In acute African swine fever the leading pathological findings are the haemorrhages

A

True

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7
Q

The African swine fever infects the swine per os

A

True

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8
Q

The African swine fever virus genome codes only 2 proteins

A

False

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9
Q

The African swine fever virus infects the swine by air

A

False

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10
Q

In African swine fever cases of abortion are never observed

A

False

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11
Q

The primary replication site of African swine fever virus is the oronasal mucosa

A

False

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12
Q

The primary replication sites of African swine fever virus are the tonsils and lymph nodes

A

True

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13
Q

In acute ASF cases the leading pathological finding is the black and enlarged lymph nodes

A

True

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14
Q

In case of African swine fever enlarged spleen is observed during necropsy

A

True

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15
Q

The ASF virus replicates the bone marrow

A

True

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16
Q

The tick species vectoring African swine fever are present in Portugal and Spain

A

True

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17
Q

The ASF virus is serologically uniform but several genotypes exist

A

True

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18
Q

In acute ASF we can observe high mortality in sows

A

True

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19
Q

Vaccines are available in EU to be used in the control of African swine fever

A

False

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20
Q

Vaccines are available to be used in the control of ASF

A

False

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21
Q

The immune system cannot neutralize the ASF virus by antibodies

A

True

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22
Q

The African swine fever virus can be disinfected by 2%NaOh within 1 day

A

True

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23
Q

In Europe the main route of infection is the transmission of the African swine fever by ticks

A

False

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24
Q

The African swine fever virus is highly resistant against the environmental conditions

A

True

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25
Q

The African swine fever causes hemadsorption in cell cultures

A

True

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26
Q

In the control of African swine fever thinning of the wild boar populations is helpful

A

True

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27
Q

ASF is always a peracute disease

A

False

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28
Q

ASF virus retains its infectivity for years in frozen meat

A

True

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29
Q

The African swine fever virus replicated in lymphocytes

A

False

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30
Q

Wild boars may be chronically infected with African swine fever virus

A

True

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31
Q

Wild boars can carry African Swine Fever virus as chronically infected animals

A

True

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32
Q

African swine fever is endemic in Sardinia

A

True

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33
Q

The resistance of the African swine fever virus is very low

A

False

34
Q

African swine fever is generally transmitted by mosquitoes

A

False

35
Q

African swine fever can cause disease in humans

A

False

36
Q

The African swine fever virus can be inactivated by irradiation

A

True

37
Q

The ASF causes hemadsorption in cell cultures

A

True

38
Q

African Swine Fever virus infects every cloven hoofed animal

A

False

39
Q

African Swine Fever does not occur in Europe

A

False

40
Q

African Swine Fever is a resistant virus

A

True

41
Q

Immunocomplexes are formed in the case of African Swine Fever

A

True

42
Q

Only activated vaccines are used for the prevention of African Swine Fever

A

False

43
Q

Ticks can transmit African Swine Fever virus

A

True

44
Q

In ASF cases abortion is never observed

A

False

45
Q

Swine and wild boars are susceptible to African Swine Fever virus

A

True

46
Q

Warthogs can maintain African Swine Fever in endemic areas

A

True

47
Q

Attenuated vaccines are used for the prevention of African swine fever

A

False

48
Q

African Swine Fever virus has a low resistance

A

False

49
Q

African Swine Fever virus can infect pigs and wild boars

A

True

50
Q

The clinical signs of African Swine Fever are more severe in wild boars than in farmed pigs

A

False

51
Q

There is a widespread vaccination in endemic areas to prevent African Swine Fever

A

False

52
Q

In Europe the ticks are the most important means in the transmission of the ASF virus

A

False

53
Q

In case of ASF infection viremia can last for months

A

True

54
Q

Infection by moderately virulent ASF virus results in high mortality of sows

A

True

55
Q

The moderately virulent ASF virus does not cause fever

A

False

56
Q

In case of infection by highly virulent ASF virus we can see skin necrosis as clinical sign

A

False

57
Q

In chronic cases of ASF spleen hyperplasia is a leading pathological lesion

A

True

58
Q

African swine fever leads to abortion regardless of the virulence of the infecting virus

A

True

59
Q

Wild boars may carry African Swine Fever virus as chronically infected animals

A

True

60
Q

The main tool against African Swine Fever is vaccination

A

False

61
Q

Virulent strains of African Swine Fever virus cause an acute disease in domestic pigs

A

True

62
Q

Acute African Swine Fever is characterized by haemorrhages

A

True

63
Q

Vaccination is used for prevention of African Swine Fever

A

False

64
Q

African Swine Fever cause skin lesions in swine

A

True

65
Q

African Swine Fever is caused by arbovirus

A

True

66
Q

African Swine Fever is endemic in Central Europe

A

False

67
Q

African Swine Fever virus infects pigs and ruminants

A

False

68
Q

African Swine Fever virus can replicate in certain ticks

A

True

69
Q

African Swine Fever is caused by any arbovirus

A

False

false? only known DNA arbovirus, but other arbovirus causes other disease such as west nile etc.

70
Q

African Swine Fever is a notifiable disease

A

True

71
Q

Virus neutralization is the most important tool for African Swine Fever diagnosis

A

False

72
Q

Pregnant sows abort in case of African Swine Fever disease cases

A

True

73
Q

The chronic form of African Swine Fever is similar to other immune complex disorders

A

True

74
Q

African Swine Fever infection of humans leads to cold like symptoms

A

False

75
Q

African Swine Fever virus may cause chronic infections in pigs

A

True

76
Q

African Swine Fever may cause a chronic disease in wild boars

A

True

77
Q

African swine fever virus can replicate in certain soft ticks

A

True

78
Q

The clinical picture of chronic African Swine Fever is similar to dermatitis Nephritis/nephropathy

A

True

79
Q

African Swine Fever does not have any vaccination

A

True

80
Q

The ASF virus can be detected by hemagglutination test

A

True

negative first but after propagation and treating with RBC, it will be observed- dpecial for ASF

81
Q

The boutons in the intestines are characteristic pathological findings in case of ASF

A

False

82
Q

Several virulence variants of ASF virus exist

A

True