EPI.o.i.d > ASF > Flashcards

ASF Flashcards

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1
Q

Several virulence variants of African Swine Fever Virus exist

A

T

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2
Q

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

A

T

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3
Q

ASF virus is shed in the urine of the infected animals

A

F

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4
Q

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

A

T

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5
Q

The leading clinical sign in African swine fever is excess salivation

A

F

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6
Q

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

A

T

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7
Q

The African swine fever infects the swine per os

A

T

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8
Q

The African swine fever virus genome codes only 2 proteins

A

F
50+ proteins

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9
Q

The African swine fever virus infects the swine by air

A

F
-per os and tick

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10
Q

In African swine fever cases of abortion are never observed

A

F

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11
Q

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

A

F

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12
Q

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

A

T

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13
Q

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

A

T

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14
Q

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

A

T

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15
Q

The ASF virus replicates the bone marrow

A

T

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16
Q

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

A

T

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17
Q

The ASF virus is serologically uniform but several genotypes exist

A

T

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18
Q

In acute ASF we can observe high mortality in sows

A

T

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19
Q

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

A

F

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20
Q

Vaccines are available to be used in the control of ASF

A

F

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21
Q

The immune system cannot neutralize the ASF virus by antibodies

A

T

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22
Q

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

A

T
and by formaldehyde in 6 days

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23
Q

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

A

F

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24
Q

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

A

T

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25
The African swine fever causes hemadsorption in cell cultures
T
26
In the control of African swine fever thinning of the wild boar populations is helpful
T
27
ASF is always a peracute disease
F
28
ASF virus retains its infectivity for years in frozen meat
T
29
The African swine fever virus replicated in lymphocytes
F WBC except lymphocytes
30
Wild boars may be chronically infected with African swine fever virus
T
31
Wild boars can carry African Swine Fever virus as chronically infected animals
T
32
African swine fever is endemic in Sardinia
T
33
The resistance of the African swine fever virus is very low
F
34
African swine fever is generally transmitted by mosquitoes
F
35
African swine fever can cause disease in humans
F
36
The African swine fever virus can be inactivated by irradiation
T
37
African Swine Fever virus infects every cloven hoofed animal
F
38
African Swine Fever does not occur in Europe
F
39
African Swine Fever is a resistant virus
T
40
Immunocomplexes are formed in the case of African Swine Fever
T
41
Only activated vaccines are used for the prevention of African Swine Fever
F
42
Ticks can transmit African Swine Fever virus
T
43
In ASF cases abortion is never observed
F
44
Swine and wild boars are susceptible to African Swine Fever virus
T
45
Warthogs can maintain African Swine Fever in endemic areas
T
46
Attenuated vaccines are used for the prevention of African swine fever
F
47
African Swine Fever virus has a low resistance
F
48
African Swine Fever virus can infect pigs and wild boars
T
49
The clinical signs of African Swine Fever are more severe in wild boars than in farmed pigs
F
50
There is a widespread vaccination in endemic areas to prevent African Swine Fever
F
51
In Europe the ticks are the most important means in the transmission of the ASF virus
F
52
In case of ASF infection viremia can last for months
T
53
Infection by moderately virulent ASF virus results in high mortality of sows
T
54
The moderately virulent ASF virus does not cause fever
F
55
In case of infection by highly virulent ASF virus we can see skin necrosis as clinical sign
F
56
In chronic cases of ASF spleen hyperplasia is a leading pathological lesion
T
57
African swine fever leads to abortion regardless of the virulence of the infecting virus
T peracute sudden death?
58
Wild boars may carry African Swine Fever virus as chronically infected animals
T
59
The main tool against African Swine Fever is vaccination
F
60
Virulent strains of African Swine Fever virus cause an **acute** disease in domestic pigs
T
61
Acute African Swine Fever is characterized by haemorrhages
T
62
Vaccination is used for prevention of African Swine Fever
F
63
African Swine Fever cause skin lesions in swine
T
64
African Swine Fever is caused by arbovirus
T
65
African Swine Fever is endemic in Central Europe
F
66
African Swine Fever virus infects pigs and ruminants
F
67
African Swine Fever virus can replicate in certain ticks
T
68
African Swine Fever is caused by any arbovirus.
F
69
African Swine Fever is a notifiable disease
T
70
Virus neutralization is the most important tool for African Swine Fever diagnosis
F no virus neutralisation occurs
71
Pregnant sows abort in case of African Swine Fever disease cases
T
72
The chronic form of African Swine Fever is similar to other immune complex disorders
T
73
African Swine Fever infection of humans leads to cold like symptoms
F
74
African Swine Fever virus may cause chronic infections in pigs
T
75
African Swine Fever may cause a chronic disease in wild boars
T
76
African swine fever virus can replicate in certain soft ticks
T
77
The clinical picture of chronic African Swine Fever is similar to dermatitis Nephritis/nephropathy
T
78
African Swine Fever does not have any vaccination
T
79
The ASF virus can be detected by hemagglutination test
F these are indirect antibody detecting assays - no virus neutralisation ipame
80
The boutons in the intestines are characteristic pathological findings in case of ASF
F intestinal boutons and skin suffusions are CSF signs
81
Several virulence variants of ASF virus exist
T
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