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Virology > Canine Viruses > Flashcards

Canine Viruses Flashcards

Midterm

1
Q

What kind of virus is rabies? Host?

A

RNA, enveloped, intracytoplasmatic inclusion bodies, wide range of hosts (mammals)

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2
Q

What are the intracytoplasmatic inclusion bodies called of rabies?

A

negri bodies

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3
Q

What species get the “furious” form of rabies?

A

dogs, cats, horses, wild animals

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4
Q

What species get the “dumb” rabies?

A

cattle and lab animals

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5
Q

How does the virus move from CNS to other organs?

A

centrifugally (outwards)

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6
Q

What diagnosis technique is NOT useful for rabies?

A

serology - fatal before antibodies show up

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7
Q

What kind of rabies vaccine is used in prophylactic injections?

A

inactivated

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8
Q

What are the essential components of post exposure prophylaxis for rabies?

A

local treatment of wounds and active and passive immunization

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9
Q

What family is canine distemper virus?

A

Paramyxoviridae

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10
Q

What are the characteristics of the canine distemper virus?

A

SS RNA, enveloped, forms syncytiums and intracytoplasmatic and intranuclear inclusion bodies

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11
Q

What tissues does canine distemper affect?

A

pantropic (many tissues) - lymphoid, epithelium, nervous

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12
Q

How is canine distemper transmitted?

A

direct contact - droplet, aerosols

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13
Q

When is canine distemper shed from the host?

A

in all secretions from 5th day of infection then for many weeks

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14
Q

What family does infectious canine hepatitis virus belong to?

A

adenoviridae

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15
Q

What are the characteristics of infectious canine hepatitis?

A

DNA, naked, intranuclear inclusion bodies

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16
Q

What are the clinical signs of canine hepatitis virus?

A

asymptomatic or present as undifferentiated respiratory disease

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17
Q

What happens in peracute canine hepatitis?

A

death in 4 hours, no signs

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18
Q

What happens in acute canine hepatitis?

A

may be fatal, mild disease, fever, etc

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19
Q

What abnormality happens in natural canine hepatitis infection or a week post live-attenuated vaccination with canine hepatitis?

A

blue eye - no sequlae

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20
Q

What form of canine hepatitis do we vaccinate against?

A

CAV-2, crossprotection (because CAV-1 gives corneal edema)

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21
Q

What are the characteristics of canine parvovirus?

A

DNA, naked, intranuclear inclusion bodies

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22
Q

What are the 3 age-related disease syndromes of canine parvo?

A

Generalized neonatal - rare
myocarditis syndrome - 4 to 8 week pups, sudden death
leukopenia/enteritis syndrome - pups 8-12 weeks

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23
Q

What are the characteristics of canine coronavirus?

A

RNA, enveloped

24
Q

What kind of disease does corona virus produce?

A

mild gastroenteritis, doesnt require specific diagnosis

25
Q

What bacteria are involved in kennel cough?

A

bordetella bronchiseptica, pseudomonas, E. coli, klebsiella, pasteurella, strep, mycoplasma

26
Q

What viruses can be involved in kennel cough?

A

canine hepatitis, parainfluenza, corona, reovirus, herpes, influenza

27
Q

What family is canine influenza virus in?

A

orthomyxoviridae

28
Q

What are the characteristics of the canine influenza virus?

A

RNA, SEGMENTED, enveloped

29
Q

What diagnostic test can NOT be used for canine influenza?

A

antigen ELISA

30
Q

What family is the canine parainfluenza virus?

A

paramyxoviridae

31
Q

What are the characteristics of canine parainfluenza?

A

RNA, enveloped

32
Q

What family is hemorrhagic disease of pups in?

A

herpesviridae

33
Q

What are the characteristics of hemorrhagic disease? (herpes)

A

DNA, enveloped, intranuclear inclusion bodies

34
Q

What kind of shedding does hemorrhagic disease have? (herpes)

A

latent, recrudescent and intermittent or continous

35
Q

How is hemorrhagic disease of pups transmitted? (herpes)

A

sexually transmitted, passed to puppies

36
Q

What problems can hemorrhagic disease (herpes) cause?

A

abortion, stillbirths, infertility, kennel cough

37
Q

What secretions shed the hemorrhagic disease (herpes) virus?

A

pile, vaginal secretions, discharge from nose. also raised sores on repro parts

38
Q

What allows CHV to spread to the rest of the body in a puppy?

A

low body temperature

39
Q

What can be a sequlae in CHV in puppies that survive?

A

neurologic disease

40
Q

What are the clinical signs of CHV?

A

Vasculitis - hemorrhage
Bruising of belly
eye lesions - keratitis, uveitis, optic neuritis, retinitis, retinal dysplasia
high mortality rate

41
Q

What are characteristics of canine papillomatosis virus?

A

DNA, naked, circular

42
Q

Where are lesions seen in canine papilloma virus?

A

cutaneous and mucous membranes

43
Q

Where are papillomas seen in young dogs? all ages?

A

young - oral, ocular, genital

all ages - cutaneous

44
Q

What are the 3 systemic canine viruses?

A

Distemper
Infectious Canine Hepatitis
Parvo

45
Q

What are the 4 canine respiratory viruses?

A

Canine tracheobronchitis
Canine influenza
Parainfluenza 2
Canine adenovirus 2

46
Q

What is the only canine virus that affects reproductive system?

A

hemorrhagic disease of puppies

47
Q

What is the only canine virus that affects JUST the GI tract?

A

canine coronavirus

48
Q

What is the “gold standard” for diagnosing rabies infection?

A

DFA (direct flourescent antibody test)

49
Q

What is the most DEFINITIVE diagnostic test for rabies?

A

virus cultivation from saliva and infected tissue

50
Q

What are the 4 canine DNA viruses?

A

Adenovirus (hepatitis)
Parvo
Herpes (hemorrhagic dz of pups)
Papova

51
Q

What are the 3 canine viruses that are NOT enveloped?

A

Canine hepatitis
Parvo
pailloma

52
Q

which virus family can a autovaccine be used?

A

papovaviridae

53
Q

Which virus does not grow in cell culture?

A

papovaviridae

54
Q

Which herpes virus is not species specific?

A

pseudorabies

55
Q

Which viruses do not leave intracellular inclusion bodies?

A 
papova
corona
retro viruses
reoviridae (rota)
orthomyxo
56
Q

Which virus exits by lysis?

A

caliciviridae

57
Q

Which virus family is enveloped but moderrately resistant in environment?

A

corona

Virology (10 decks)

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