African Swine Fever

Question 1

Several virulence variants of African Swine Fever Virus exist

Answer 1

True

Question 2

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

Answer 2

True

Question 3

ASF virus is shed in the urine of the infected animals

Answer 3

False

Question 4

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

Answer 4

True

Question 5

The leading clinical sign in African swine fever is excess salivation

Answer 5

False

Question 6

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

Answer 6

True

Question 7

The African swine fever infects the swine per os

Answer 7

True

Question 8

The African swine fever virus genome codes only 2 proteins

Answer 8

False

Question 9

The African swine fever virus infects the swine by air

Answer 9

False

Question 10

In African swine fever cases of abortion are never observed

Answer 10

False

Question 11

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

Answer 11

False

Question 12

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

Answer 12

True

Question 13

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

Answer 13

True

Question 14

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

Answer 14

True

Question 15

The ASF virus replicates the bone marrow

Answer 15

True

Question 16

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

Answer 16

True

Question 17

The ASF virus is serologically uniform but several genotypes exist

Answer 17

True

Question 18

In acute ASF we can observe high mortality in sows

Answer 18

True

Question 19

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

Answer 19

False

Question 20

Vaccines are available to be used in the control of ASF

Answer 20

False

Question 21

The immune system cannot neutralize the ASF virus by antibodies

Answer 21

True

Question 22

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

Answer 22

True

Question 23

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

Answer 23

False

Question 24

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

Answer 24

True

Question 25

The African swine fever causes hemadsorption in cell cultures

Answer 25

True

Question 26

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

Answer 26

True

Question 27

ASF is always a peracute disease

Answer 27

False

Question 28

ASF virus retains its infectivity for years in frozen meat

Answer 28

True

Question 29

The African swine fever virus replicated in lymphocytes

Answer 29

False

Question 30

Wild boars may be chronically infected with African swine fever virus

Answer 30

True

Question 31

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

Answer 31

True

Question 32

African swine fever is endemic in Sardinia

Answer 32

True

Question 33

The resistance of the African swine fever virus is very low

Answer 33

False

Question 34

African swine fever is generally transmitted by mosquitoes

Answer 34

False

Question 35

African swine fever can cause disease in humans

Answer 35

False

Question 36

The African swine fever virus can be inactivated by irradiation

Answer 36

True

Question 37

The ASF causes hemadsorption in cell cultures

Answer 37

True

Question 38

African Swine Fever virus infects every cloven hoofed animal

Answer 38

False

Question 39

African Swine Fever does not occur in Europe

Answer 39

False

Question 40

African Swine Fever is a resistant virus

Answer 40

True

Question 41

Immunocomplexes are formed in the case of African Swine Fever

Answer 41

True

Question 42

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

Answer 42

False

Question 43

Ticks can transmit African Swine Fever virus

Answer 43

True

Question 44

In ASF cases abortion is never observed

Answer 44

False

Question 45

Swine and wild boars are susceptible to African Swine Fever virus

Answer 45

True

Question 46

Warthogs can maintain African Swine Fever in endemic areas

Answer 46

True

Question 47

Attenuated vaccines are used for the prevention of African swine fever

Answer 47

False

Question 48

African Swine Fever virus has a low resistance

Answer 48

False

Question 49

African Swine Fever virus can infect pigs and wild boars

Answer 49

True

Question 50

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

Answer 50

False

Question 51

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

Answer 51

False

Question 52

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

Answer 52

False

Question 53

In case of ASF infection viremia can last for months

Answer 53

True

Question 54

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

Answer 54

True

Question 55

The moderately virulent ASF virus does not cause fever

Answer 55

False

Question 56

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

Answer 56

False

Question 57

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

Answer 57

True

Question 58

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

Answer 58

True

Question 59

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

Answer 59

True

Question 60

The main tool against African Swine Fever is vaccination

Answer 60

False

Question 61

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

Answer 61

True

Question 62

Acute African Swine Fever is characterized by haemorrhages

Answer 62

True

Question 63

Vaccination is used for prevention of African Swine Fever

Answer 63

False

Question 64

African Swine Fever cause skin lesions in swine

Answer 64

True

Question 65

African Swine Fever is caused by arbovirus

Answer 65

True

Question 66

African Swine Fever is endemic in Central Europe

Answer 66

False

Question 67

African Swine Fever virus infects pigs and ruminants

Answer 67

False

Question 68

African Swine Fever virus can replicate in certain ticks

Answer 68

True

Question 69

African Swine Fever is caused by any arbovirus

Answer 69

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

Question 70

African Swine Fever is a notifiable disease

Answer 70

True

Question 71

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

Answer 71

False

Question 72

Pregnant sows abort in case of African Swine Fever disease cases

Answer 72

True

Question 73

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

Answer 73

True

Question 74

African Swine Fever infection of humans leads to cold like symptoms

Answer 74

False

Question 75

African Swine Fever virus may cause chronic infections in pigs

Answer 75

True

Question 76

African Swine Fever may cause a chronic disease in wild boars

Answer 76

True

Question 77

African swine fever virus can replicate in certain soft ticks

Answer 77

True

Question 78

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

Answer 78

True

Question 79

African Swine Fever does not have any vaccination

Answer 79

True

Question 80

The ASF virus can be detected by hemagglutination test

Answer 80

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

Question 81

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

Answer 81

False

Question 82

Several virulence variants of ASF virus exist

Answer 82

True