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Epidemiology > Midterm 1: Parvovirus (Topic 5-9) > Flashcards

Midterm 1: Parvovirus (Topic 5-9) Flashcards

1
Q

There is no neutralising epitope of parvoviruses

A

False

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2
Q

The reproduction of the parvovirus is continuous in the dividing cells

A

True

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3
Q

Parvoviruses are good antigens

A

True

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4
Q

Bocaviruses may cause mild respiratory or enteric diseases in newborn animals

A

True

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5
Q

Parvoviruses can be cultured in homologous, young dividing cell cultures

A

True

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6
Q

The resistance of Parvovirus is high, in the environment they remain infectious for several months

A

True

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7
Q

SMEDI is caused by goose circovirus

A

False

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8
Q

SMEDI is caused by porcine circovirus

A

False

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9
Q

If 75-day-old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign

A

True

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10
Q

If 75-day-old swine foetuses are infected with parvovirus, respiratory clinical signs can be seen in the piglets

A

False

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11
Q

The embryo can be infected with porcine parvovirus 1

A

True

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12
Q

Parvovirus rarely causes SMEDI in endemic farms

A

True

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13
Q

Swine parvovirus can cause foetal damages only if the infection takes place during the pregnancy

A

True

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14
Q

Swine parvovirus occurs worldwide, most herds are seropositive

A

True

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15
Q

If 100-day-old swine foetuses are infected with parvovirus, weak piglets can be seen

A

True

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16
Q

If 100-day-old swine foetuses are infected with parvovirus, myoclonia congenital is a clinical sign

A

True

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17
Q

If 100-day-old swine foetuses are infected with parvovirus, dermatitis is a clinical sign

A

False

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18
Q

SMEDI is caused by porcine parvovirus

A

True

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19
Q

If 15 day old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign

A

False

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20
Q

If 100-day-old swine foetuses are infected with parvovirus, respiratory clinical signs can be seen

A

False

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21
Q

If 75 day old swine foetuses are infected with parvovirus abortion can be seen

A

False

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22
Q

If 15 day old swine foetuses are infected with parvovirus mummification can be seen

A

False

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23
Q

The porcine parvovirus 1 causes renal disorders in adults

A

False

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24
Q

Porcine parvovirus (PPV 1) vaccinations start at or after 6 months of age

A

True

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25
Q

PPV 1 is transmitted through the faecal-oral route

A

True

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26
Q

PPV 1 is endemic in most pig herds

A

True

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27
Q

Porcine parvovirus 4 is usually involved in reproductive disorders

A

True

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28
Q

Swine parvovirus is shed in the faeces for some weeks after contracting the infection

A

True

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29
Q

The maternal immunity against porcine parvovirus lats for a very long time

A

False

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30
Q

PCR is used for the detection of antibodies against porcine parvovirus 1

A

False

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31
Q

Porcine SMEDI can only be induced by parvoviruses

A

False

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32
Q

PPV-1 induces diarrhoea in suckling piglets

A

False

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33
Q

Neurological disorders are frequent in Porcine parvovirus infections

A

False

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34
Q

The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine

A

True

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35
Q

Swine parvovirus usually causes foetal damages in first pregnant gilts

A

True

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36
Q

Swine parvovirus maternal antibodies can exist up to 6 to 12 months of age

A

False

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37
Q

The maternal immunity against porcine parvovirus lasts for a very long time

A

False

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38
Q

Porcine parvovirus can cause neurological signs in sows

A

False

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39
Q

Porcine parvovirus frequently causes diarrhoea in piglets

A

False

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40
Q

For prevention of Porcine parvovirus caused foetal damages, live vaccines are available

A

True

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41
Q

Piglets of sows seroconverted by PPV-1 are maternally protected for months

A

True

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42
Q

Porcine parvoviruses are genetically uniform

A

False

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43
Q

Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the foetus

A

True

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44
Q

PPV-1 vaccination must be started at 4-6 weeks of age

A

False

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45
Q

Vaccination against canine parvovirus 2 is independent from maternal antibodies

A

False

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46
Q

Vaccination against canine parvovirus 2 depends on maternal antibodies

A

True

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47
Q

The parvovirus enteritis of dogs is caused by canine parvovirus 1

A

False

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48
Q

The parvoviral enteritis of dogs is type 3 hypersensitivity

A

False

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49
Q

Maternal antibodies against canine parvovirus can protect puppies for 8 weeks

A

False (4 months)

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50
Q

Maternal antibodies against canine parvovirus can protect dogs for about 2 years

A

False

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51
Q

The replication of canine parvovirus 2 is in the crypt cells of large intestine

A

False

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52
Q

The replication of canine parvovirus 2 is in the crypt cells of small intestine

A

True

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53
Q

Maternal antibodies of dogs protect not longer than 2 weeks in the case of parvoviral enteritis of dogs

A

False

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54
Q

Canine parvoviruses do not infect cats

A

False

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55
Q

Canine parvovirus attack lymphoid cells

A

True

56
Q

Canine parvovirus is shed with the faeces

A

True

57
Q

Canine parvovirus can replicate in the myocardium of young pups

A

True

58
Q

Older dogs are usually sero-positive for Canine Parvovirus

A

True

59
Q

Canine parvoviruses are shed in high concentrations with the faeces

A

True

60
Q

Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats

A

True

61
Q

Canine herpesvirus infection can cause abortion

A

True

62
Q

Dog parvovirus caused enteritis most frequently affects young dogs, less than one year old

A

True

63
Q

For prevention of Canine parvovirus enteritis, live attenuated virus vaccines are used

A

True

64
Q

Dog parvovirus can cause myocarditis in young puppies

A

True

65
Q

Dog parvovirus enteritis is nowadays very rare

A

False

66
Q

Dog parvovirus can be detected directly from Faeces

A

True

67
Q

Dog parvovirus can be detected directly from Sera, Saliva. Foetus

A

False

68
Q

Canine parvovirus infection of susceptible dogs results in high mortality

A

True

69
Q

Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes.

A

True

70
Q

Leukopenia is characteristic for successful CPV-2 infections

A

True

71
Q

Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses

A

True

72
Q

Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease

A

False

73
Q

Canine parvoviruses form a single antigenic group

A

False

74
Q

Maternal antibodies against cat parvovirus protect only till 2 weeks age

A

False

75
Q

Maternal antibodies against cat parvovirus can protect till 4 months age

A

True

76
Q

Feline panleukopenia infection can cause fever

A

True

77
Q

Feline panleukopenia may be caused by canine parvovirus

A

True

78
Q

Feline panleukopenia is present worldwide

A

True

79
Q

Hyperimmune serum can be used for the treatment of feline panleukopenia

A

False

80
Q

Feline panleukopenia virus infection of dogs may cause acute diarrhoea

A

False

81
Q

Feline panleukopenia viruses may infect dogs

A

False

82
Q

The incubation period of Cat panleukopenia is short, usually 3 to 5 days

A

True

83
Q

Cat panleukopenia virus can infect only cats

A

False

84
Q

Cat panleukopenia virus causes disease only in cats

A

False

85
Q

To cat panleukopenia virus only cats are susceptible

A

False

86
Q

Cat panleukopenia virus can cause abortion in pregnant cats.

A

True

87
Q

Cat panleukopenia virus can cause disease also in Mustelidae species

A

True

88
Q

Vaccinations against Feline panleukopenia usually start at or after 2 months of age

A

True

89
Q

Europe is free of Feline panleukopenia

A

False

90
Q

The mink enteritis is a type 2 hypersensitivity

A

False

91
Q

Mink parvovirus enteritis is characterised by fever and high mortality

A

True

92
Q

For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available

A

True

93
Q

Mink parvovirus enteritis appears as bloody diarrhoea

A

True

94
Q

Aleutian mink disease and mink enteritis are caused by the same virus

A

False

95
Q

Aleutian mink disease is caused by protoparvovirus, like cat parvovirus

A

False

96
Q

Aleutian mink disease virus causes enteritis

A

False

97
Q

Vaccines are available against Aleutian mink disease

A

False

98
Q

Vaccines are used to prevent Aleutian Mink Disease

A

False

99
Q

Aleutian mink disease is caused by cat parvovirus

A

False

100
Q

Aleutian mink disease is a type III hypersensitivity

A

True

101
Q

Aleutian mink disease is a type IV hypersensitivity

A

False

102
Q

Aleutian mink disease is a type I hypersensitivity

A

False

103
Q

Aleutian disease is a parvovirus caused immunocomplex disease of minks

A

True

104
Q

Attenuated vaccines can be used against Aleutian mink disease

A

False

105
Q

Inactivated vaccines are used against Aleutian mink disease

A

False

106
Q

Live vaccines are used against Aleutian Mink Disease

A

False

107
Q

Aleutian mink disease can induce interstitial pneumonia in young animals

A

True

108
Q

Aleutian mink disease virus induces enteritis in older minks

A

False (?)

109
Q

Aleutian mink disease virus can infect ferrets

A

True

110
Q

Ferrets can also be infected by the Aleutian Mink Disease virus

A

True

111
Q

The Aleutian Mink Disease is usually acute

A

False

112
Q

Aleutian Mink Disease occurs only in the US

A

False

113
Q

Aleutian Mink Disease is due to formation of immunocomplexes

A

True

114
Q

Enteritis is a clinical sign of Aleutian Mink Disease

A

False

115
Q

The Derzsys disease virus causes pneumonia

A

False

116
Q

The Derzsys disease virus can infect ducks

A

True - Muscovy ducks

117
Q

Ascites can be a clinical sign of Derzsy’s disease

A

True

118
Q

Derszy’s disease is caused by a polyomavirus

A

False

119
Q

The Derzsys disease virus causes conjunctivitis

A

False

120
Q

The Derzsys disease virus causes tiger stripes on the heart

A

True

121
Q

Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age

A

True

122
Q

Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease

A

True

123
Q

The primary site of replication of Derzsy’s disease virus is the gut

A

True

124
Q

The Derzsy’s disease virus may induce diarrhoea in growing geese.

A

True

125
Q

Derzsy’s disease virus can cross into the egg

A

True

126
Q

Derzsy’s disease may occur both in geese and Muscovy ducks

A

True

127
Q

Goose parvovirus can spread both horizontally and vertically

A

True

128
Q

For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used

A

True

129
Q

For prevention of Derzsys disease both live and inactivated vaccines are used

A

True

130
Q

Derzsys disease appears clinically most frequently in geese aged from one to four weeks

A

True

131
Q

Derzsy’s disease virus causes enteritis in growing geese

A

True

132
Q

Derzsy’s disease virus does not infect the egg

A

False

133
Q

The Derzsys disease virus can infect ducks

A

True

133
Q

The Derzsys disease virus can infect ducks

A

True

134
Q

The duck parvovirus can infect geese

A

False

Epidemiology (8 decks)

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