African Swinefever Flashcards
1) Several virulence variants of African Swine Fever Virus exist
true
2) African swine fever is shed in the saliva of the infected animals
true
3) ASF virus is shed in the urine of the infected animals
false
4) Stamping out of the infected herds is applied in the control of African Swine Fever
true
5) The leading clinical sign in African swine fever is excess salivation
false
6) In acute African swine fever the leading pathological findings are the haemorrhages
true
7) The African swine fever infects the swine per os
true
8) The African swine fever virus genome codes only 2 proteins
false
9) The African swine fever virus infects the swine by air
false
10) In African swine fever cases of abortion are never observed
false
11) The primary replication site of African swine fever virus is the oronasal mucosa
false
12) The primary replication sites of African swine fever virus are the tonsils and lymph nodes
true
13) In acute ASF cases the leading pathological finding is the black and enlarged lymph nodes
true
14) In case of African swine fever enlarged spleen is observed during necropsy
true
15) The ASF virus replicates the bone marrow
true
16) The tick species vectoring African swine fever are present in Portugal and Spain
true
17) The ASF virus is serologically uniform but several genotypes exist
true
18) In acute ASF we can observe high mortality in sows
true
19) Vaccines are available in EU to be used in the control of African swine fever
false
20) Vaccines are available to be used in the control of ASF
false
21) The immune system cannot neutralize the ASF virus by antibodies
true
22) The African swine fever virus can be disinfected by 2%NaOh within 1 day
true
23) In Europe the main route of infection is the transmission of the African swine fever by ticks
false
24) The African swine fever virus is highly resistant against the environmental conditions
true
25) The African swine fever causes hemadsorption in cell cultures
true
26) In the control of African swine fever thinning of the wild boar populations is helpful
true
27) ASF is always a peracute disease
false
28) ASF virus retains its infectivity for years in frozen meat
true
29) The African swine fever virus replicated in lymphocytes
false
30) Wild boars may be chronically infected with African swine fever virus
true
31) Wild boars can carry African Swine Fever virus as chronically infected animals
true
32) African swine fever is endemic in Sardinia
false, was