Parvoviruses Flashcards
(136 cards)
1
Q
There is no neutralizing epitope of parvoviruses
A
F
2
Q
The reproduction of the parvovirus is continuous in the dividing cells
A
T
3
Q
Parvoviruses are good antigens
A
T
4
Q
Bocaviruses may cause mild respiratory or enteric diseases in newborn animals
A
T (they are in parvoviridae and infect humans)
5
Q
Parvoviruses can be cultured in homologous, young dividing cell cultures
A
T
6
Q
The resistance of Parvovirus is high, in the environment they remain infectious for several months
A
T
7
Q
Parvoviruses multiplicate only in rapidly dividing cells
A
T
8
Q
SMEDI is caused by goose circovirus
A
F
9
Q
SMEDI is caused by porcine circovirus
A
F
10
Q
If 75-day-old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign.
A
T
11
Q
If 75-day-old swine foetuses are infected with parvovirus respiratory clinical signs can be seen in the piglets
A
F
12
Q
The embryo can be infected with porcine parvovirus 1
A
T
13
Q
Parvovirus rarely causes SMEDI in endemic farms
A
T
14
Q
Swine parvovirus can cause foetal damages only if the infection takes place during the pregnancy
A
T
15
Q
Swine parvovirus occurs worldwide, most herds are seropositive.
A
T
16
Q
If 100-day-old swine foetuses are infected with parvovirus, weak piglets can be seen
A
T
17
Q
If 100-day-old swine foetuses are infected with parvovirus, myoclonia congenital is a clinical sign
A
T
18
Q
If 100-day-old swine fetuses are infected with parvovirus, dermatitis is a clinical sign
A
F
19
Q
SMEDI is caused by porcine parvovirus
A
T
20
Q
If 15 day old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign
A
F
21
Q
If 100-day-old swine fetuses are infected with parvovirus, respiratory clinical signs can be seen
A
F
22
Q
If 75 day old swine foetuses are infected with parvovirus abortion can be seen
A
F
23
Q
If 15 day old swine foetuses are infected with parvovirus mummification can be seen
A
F
24
Q
The porcine parvovirus 1 causes renal disorders in adults
A
F
25
Porcine parvovirus (PPV 1) vaccinations start at or after 6 months of age
T
26
PPV 1 is transmitted through the fecal-oral route
T
27
PPV 1 is endemic in most pig herds
T
28
Porcine parvovirus 4 is usually involved in reproductive disorders
T (PPV 2-7 but not genetically uniform)
29
Swine parvovirus is shed in the faeces for some weeks after contracting the infection
T
30
The maternal immunity against porcine parvovirus lats for a very long time
T
31
PCR is used for the detection of antibodies against porcine parvovirus 1
F
32
Porcine SMEDI can only be induced by parvoviruses.
F
(Also by Porcine Enterovirus)
33
PPV-1 induces diarrhoea in suckling piglets
F
(No GIT signs in newborn piglets)
34
Neurological disorders are frequent in Porcine parvovirus infections
F
(Myoclonia Congenita is not frequent only if 70+ .......)
35
The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine
T
36
Swine parvovirus usually causes foetal damages in first pregnant gilts
T
37
Swine parvovirus maternal antibodies can exist up to 6 to 12 months of age
F
38
The maternal immunity against porcine parvovirus lasts for very long time.
T
39
Porcine parvovirus can cause neurological signs in sows
F
40
Porcine parvovirus frequently causes diarrhoea in piglets
F
41
For prevention of Porcine parvovirus caused fetal damages, live vaccines are available.
T
42
Piglets of sows seroconverted by PPV-1 are maternally protected for months
T
43
Porcine parvoviruses are genetically uniform
F
44
Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the foetus
T
45
PPV-1 vaccination must be started at 4-6 weeks of age
F
46
Vaccination against canine parvovirus 2 is independent from maternal antibodies
F
47
Vaccination against canine parvovirus 2 depends on maternal antibodies
T
48
The parvovirus enteritis of dogs is caused by canine parvovirus 1
F
49
The parvovirus enteritis of dogs is caused by canine parvovirus 2
T
50
The parvoviral enteritis of dogs is type 3 hypersensitivity
F
51
Maternal antibodies against canine parvovirus can protect puppies for 8 weeks
T
52
Maternal antibodies against canine parvovirus can protect dogs for about 2 years
F
53
The replication of canine parvovirus 2 is in the crypt cells of large intestine
F
54
The replication of canine parvovirus 2 is in the crypt cells of small intestine
T
55
Maternal antibodies of dogs protect not longer than 2 weeks in the case of parvoviral enteritis of dogs
F
56
Canine parvoviruses do not infect cats
F
(new variants CPV-2a/b/c/ab can infect cats)
Old CPV-2 cannot
57
Canine parvovirus attack lymphoid cells
T
58
Canine parvovirus is shed with the feces
T
59
Canine parvovirus can replicate in the myocardium of young pups
T
60
Older dogs are usually sero-positive for Canine Parvo virus
T
61
Canine parvoviruses are shed in high concentrations with the faeces
T
62
Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats
T
63
Canine herpesvirus infection can cause abortion
T
64
Dog parvovirus caused enteritis most frequently affects young dogs, less than one year old
T
65
For prevention of Canine parvovirus enteritis, live attenuated virus vaccines are used
T
66
Dog parvovirus can cause myocarditis in young puppies
T
67
Dog parvovirus enteritis is nowadays very rare
F
68
Dog parvovirus can be detected directly from Faeces
T
69
Dog parvovirus can be detected directly from Sera, Saliva. Foetus.
F (indirectly from Serum=antibodies)
70
Canine parvovirus infection of susceptible dogs results in high mortality
T
71
Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes
T
72
Leukopenia is characteristic for successful CPV-2 infections
T
73
Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses
T
74
Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease
F
More
75
Canine parvoviruses form a single antigenic group
F
76
Maternal antibodies against cat parvovirus protect only till 2 weeks age
F
77
Maternal antibodies against cat parvovirus can protect till 4 months age
T
78
Feline panleukopenia infection can cause fever
T
79
Feline panleukopenia may be caused by canine parvovirus
T
New CPV2 variants
80
Feline panleukopenia is present worldwide
T
81
Hyperimmune serum can be used for the treatment of feline panleukopenia
T
82
Feline panleukopenia virus infection of dogs may cause acute diarrhea
F
Feline Panleukopenia does not occur in dogs
83
Feline panleukopenia viruses may infect dogs
F
not dogs only mustelidae
84
The incubation period of Cat panleukopenia is short, usually 3 to 5 days.
T
85
Cat panleukopenia virus can infect only cats.
F
86
Cat panleukopenia virus causes disease only in cats
F
87
To cat panleukopenia virus only cats are susceptible
F
88
Cat panleukopenia virus can cause abortion in pregnant cats
T
89
Cat panleukopenia virus can cause disease also in Mustelidae species
T
90
Vaccinations against Feline panleukopenia usually start at or after 2 months of age
T
91
Europe is free of Feline panleukopenia
F
92
The mink enteritis is a type 2 hypersensitivity
F
93
Mink parvovirus enteritis is characterized by fever and high mortality
T
94
For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available
T
95
Mink parvovirus enteritis appears as bloody diarrhoea
T
96
Aleutian mink disease and mink enteritis are caused by the same virus
F
97
Aleutian mink disease is caused by protoparvovirus, like cat parvovirus
**F**
AMDV = Amdoparvovirus = Carnivore Amdoparvovirus 1
Feline PL Virus = Protoparvovirus = Carnivore Protoparvovirus 1
98
Aleutian mink disease virus causes enteritis
F
99
Vaccines are available against Aleutian mink disease
F
100
Vaccines are used to prevent Aleutian Mink Disease
F
101
Aleutian mink disease is caused by cat parvovirus
F
102
Aleutian mink disease is a type III hypersensitivity
T
103
Aleutian mink disease is a type IV hypersensitivity
F
104
Aleutian mink disease is a type I hypersensitivity
F
105
Aleutian disease is a parvovirus caused immunocomplex disease of minks
T
106
Attenuated vaccines can be used against Aleutian mink disease
F
107
Inactivated vaccines are used against Aleutian mink disease
F
108
Live vaccines are used against Aleutian Mink Disease
F
109
Aleutian mink disease can induce interstitial pneumonia in young animals
T
110
Aleutian mink disease virus induces enteritis in older minks
F
glomerulonephritis + hypergammaglobulinemia
111
Aleutian mink disease virus can infect ferrets
T
112
Ferrets can also be infected by the Aleutian Mink Disease virus.
T
113
The Aleutian Mink Disease is usually acute
F
114
Aleutian Mink Disease occurs only in the US.
F
115
Aleutian Mink Disease is due to formation of immunocomplexes
T
116
Enteritis is a clinical sign of Aleutian Mink Disease
F
117
The Derzsy's disease virus causes pneumonia
F
118
The Derzsy's disease virus can infect ducks.
T → infects Muskovy ducks too)
119
Ascites can be a clinical sign of Derzsy’s disease
T
120
Derszy’s disease is caused by a polyomavirus
F
121
The Derzsy's disease virus causes conjunctivitis
F
122
The Derzsy's disease virus causes tiger stripes on the heart
T
123
Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age
T
124
Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease
T
125
The primary site of replication of Derzsy’s disease virus is the gut
T
126
The Derzsy’s disease virus may induce diarrhea in growing geese
T
127
Derzsy’s disease virus can cross into the egg
T
128
Derzsy’s disease may occur both in geese and Muscovy ducks
T
129
Goose parvovirus can spread both horizontally and vertically
T
130
For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used
T
131
or prevention of Derzsy's disease both live and inactivated vaccines are used
T
132
Derzsy's disease appears clinically most frequently in geese aged from one to four weeks
T
133
Derzsy’s disease virus causes enteritis in growing geese
T
134
Derzsy’s disease virus does not infect the egg
F
135
The Derzsy's disease virus can infect ducks
T, also infects Muskovy ducks
136
The duck parvovirus can infect goose
F, it doesn’t infect goose
