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EPI - topics > Virus > Flashcards

Virus Flashcards

1
Q

8.Parvovirus disease of minks:

Diseases

A

Mink enteritis -MEV

Aleutian disease virus (plasmacytosis) - ADV

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2
Q
  1. AVIAN DISEASES CAUSED BY CIRCOVIRUSES, CHICKEN INFECTIOUS ANAEMIA

The avian diseases:

A

1) BFDV – Psittacine beak and feather disease
2) PiCV,- Pigeon circovirus
3) GoCV Goose circovirus

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3
Q
  1. Haemorrhagic nephritis and enteritis of geese

The pathogen:

A

polyomavirus

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4
Q
  1. Canine infectious hepatitis and infectious laryngotracheitis.

The pathogen:

A

Mastadenovirus

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5
Q
  1. Adenoviral diseases in poultry.

Pathogen and diseases:

A

Aviadeno:

  • Inclusion body hepatitis
  • Hepatitis-hydropericardium syndrome in goose

Siadeno:

  • Turkey hem. enteritis
  • Marble spleen
  • Splenomegaly

Atadeno:

  • Egg drop syndrome
  • egg drop syndrom in goose
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6
Q
  1. Characteristics of herpesviruses, groups, epidemiological features.
A

Alpha

  • Simplex
  • Varicello
  • Mardi
  • Lito

Beta

  • Cytomegalo
  • Unassigned

Gamma

  • Lymphocrypto
  • Macavirus
  • Unassigned
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7
Q

*18. Infectious bovine rhinotracheitis (aetiology, epidemiology, pathogenesis, clinical signs, post mortem lesions).

Pathogen

A

Alpha - varicello - BHV-1,5

1-Resp - conjunctivitis, abortion, encephalitis
5-genital form - IPV, IPB

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8
Q
  1. Bovine herpesmamillitis, inclusion body rhinitis of swine.

Pathogens

A

Bovine herpesmamillitis - Alpha, simplex - BHV-2

Inclusion body rhinitis of swine - Suid herpes - SuHV-2
fading piglets

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9
Q
  1. Malignant catarrhal fever.

Pathogens
Course of disease

A

Ovine herpes OHV-2
Alcelapine AIHV-1

Both are gamma- macavirus

Peracute - Gen signs, tremor, salivation, death
Subacute -rumen paralysis, encephalitis, agalactica

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10
Q

*22. Aujeszky’s disease (aetiology, epidemiology, pathogenesis, clinical signs, post mortem lesions).

Pathogen

A

SuHV-1 - alpha - varicello

goes along nerves

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11
Q
  1. Diseases of horses caused by EHV-1 and EHV-4 viruses.

Clinical signs
Pathogen category

A

EHV-1 = Rhinopneumonia, epizootic abortion (storm), CNS, resp

EHV-4 = resp

Alpha, varicello

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12
Q
  1. Diseases caused by EHV-2, EHV-3 and EHV-5 viruses in horses.

Clinical signs
Pathogen category

A

EHV-2, 5 = resp, conjunctivitis, swollen lN, in foals!
EHV 3 = coital examthema, nodules, pustules

Gamma, Pecavirus

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13
Q
  1. Canine herpesviral disease.

Clinical signs
Pathogen category

A

Generalised disease in puppies

Alpha, varicello , CaHV-1

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14
Q
  1. Feline infectious rhinotracheitis.

Clinical signs
Pathogen category

A

Cold-like, abortion, ulcerative skin

Alpha, varicello, FeHV-1

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15
Q
  1. Infectious laryngotracheitis of chicken.

Pathogen
Forms

A

Alphaherpes, Ilto, GaHV-1

Mild form - cold symptoms, production loss
Typical form - resp, hem, edema, anorexia, prod loss

No viraemia! Only resp and production loss

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16
Q
  1. Marek’s disease.

Pathogen
Types and CS

A

Alphaherpes, Mardivirus , GaHV-2,3

Two serotypes:

  1. A-D - causing marek, diff virulence
  2. Non pathogenic strain

a. very virulent: tumors (can break through vaccine protection)
b. virulent: tumors and transient paralysis
c. lower virulence: neurological form
d. avirulent: no clinical signs

Classical neurological form:
o Strains of mild virulence
o Growers and in (young) hens
o sporadic, long lasting, recovery after 1 year of age

Transient paralysis:
o	Strains of higher virulence
o	4-7 weeks old, non-vaccinated
o	sporadic
o	transient recovery→ may lead to visceral form

Acute, lymphoproliferative:
o In non-vaccinated → after 6 weeks of age
o In vaccinated → growers or beginning of laying
o Long-lasting disease in the flock
o CNS symptoms may develop

Peracute or anaemia:
o Rarely → in 3-6 week-old chicken

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17
Q
  1. Duck plague, herpesviral disease of pigeons.

Pathogen

A

Duck plague AKA duck viral enteritis

  • AnHV-1 - unassigned , gamma
  • Blue beak, no treat, bloody diarrhea

Herpesviral disease of pigeons
-CoHV-1 - Mardivirus, alpha

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18
Q

*31. Bovine diseases caused by poxviruses.

Diseases:

A

Orthopox / cowpox - zoonosis
- Udder, gen, mouth

Parapox - zoo

  • Bovine papular stomatitis
  • Pseudopox

Lumpy skin diseases - Noti

  • moist, inflam pocks in skin, mm, poxmarks
  • Arthropods!! (and everything else)
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19
Q
  1. Contagious pustular dermatitis of sheep and goat. Swine pox.

Pathogens and disease names

A

Contagious pustular dermatitis = ORF, scabby mouth

  • ZOONOTIC
  • genital, mouth, ear pain, lameness, udder

Swine pox - suipoxvirus

  • all pigs, but mostly young, meningitis
  • Arthropods (lice)
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20
Q

*33. Sheep and goat pox.

General

A
  • Capripox
  • Notifiable
  • fever and general pox, abortion
  • free in europa
  • long immunity
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21
Q
  1. Myxomatosis.

General
Forms

A
  • Lepripox
  • Notifiable
  • Lion head
  • Arthropod- mosquitoes

Two forms:

  • Typical, classical, nodular
  • Atypical, amyxomatosis
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22
Q
  1. Fowl pox.

General
Forms

A
  • Causes lesions on skin and mm in wild and dom birds.
  • more severe in winter
  • can be transmitted by insects, po, air

Forms:
Dry - skin, where no feathers are
Wet - diptheric form, more generalized

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23
Q

*36. African swine fever.

Pathogen
Forms

A

Asfarvirus, enveloped + capsid

Highly - acute, death
Moderate - subacte, fever, enlarged spleen
Mild - chronic , immune complex

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24
Q

*37. Teschovirus encephalomyelitis.

General forms

A

Teschen - all ages, flaccid of hl in adult, vomit, flaccid - growing
Talfan - under 4m, ataxia, flaccid

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25
Q

*38. Swine vesicular disease and vesicular exanthema of swine.

Pathogens

A

Swine vesicular disease - SVD, NOTIFIABLE
- Picorna - enterovirus

Vesicular exanthema of swine - VES
-Calicivirus

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26
Q
  1. Avian encephalomyelitis.

Pathogen

A

Picorna, tremorvirus

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27
Q
  1. Duck viral hepatitises.

Serotypes and pathogens

A

1- hepatitis A - avihepatovirus (picorna) 1-4w
2-astrovirus - avian hepatitis
3-astrovirus
4- hapadnavirus - older ducks

Spasm paddeling and hunched back

28
Q
  1. Encephalomyocarditis.

Pathogen

A

Picorna, cardiovirus
-Zoonosis

(Rodents and elephants)

29
Q
  1. Foot and mouth disease (aetiology, epidemiology, pathogenesis, clinical signs, post mortem lesions).
A

Apthovirus, picorna

7 serotypes

30
Q
  1. Rabbit haemorrhagic disease, European brown hare syndrome.

Pathogen:

A

Calicivirus, lagoviridae

RHDV-1, 2

31
Q
  1. Diseases of farm animals caused by hepatitis E virus.

Pathogen and diseases

A

Orthohepevirus A,C, hepatitis E - zoonotic

Orthohepevirus B
-Chicken big liver and spleen disease

32
Q
  1. Diseases caused by astroviruses.
A
  • Avian nephritis
  • Duck hepatitis (like duck hepatitis A by picorna)
  • turkey astrovirus - like avian nephritis
33
Q

*48. Equine encephalomyelitis caused by togaviruses (Zoon.).

diseases

A

Eastern, western, venezualian

34
Q
  1. Equine infectious arteritis.

pathogen

A

Arterivirus - alpha
-env, ssrna

-Pink eye disease

35
Q

*50. Porcine reproductive and respiratory syndrome.

Pathogen

A

Arterivirus - beta
-env, ssrna

-Blue ear disease

36
Q
  1. Louping ill and tick-borne encephalitis (Zoon.).

Pathogen

A

Louping ill

  • Flavi, ssrna, zoonotic
  • ixodes ricinus

tick-borne encephalitis (Zoon.).

  • flavi, zoonotic
  • ticks, milk, rodents
37
Q
  1. West Nile fever, disease caused by Usutu virus and other mosquito-borne flaviviral diseases.

Pathogen

A

West Nile fever
-Flavivirus, zoonotic, notifiable (env, ssrna)

Usutu virus and other mosquito-borne flaviviral diseases

  • Zika
  • yellow fever
  • dengue fever
  • Japanese encephalitis
38
Q

*53. Bovine viral diarrhoea.

Pathogen
Types

A

Flavi, pestivirus (env, ssrna)

Non-cytopathic
Cytopathic

39
Q
  1. Border disease of sheep.

pathogen

A

Flavi, pestivirus D (env, ssrna)

Repro, similar to BVD, but in sheep

40
Q
  1. Classical swine fever (aetiology, epidemiology, pathogenesis, clinical signs, post mortem lesions).

Pathogen

A

Flavi, pestivirus (env, ssrna)

41
Q
  1. Transmissible gastroenteritis of swine.

Pathogen

A

Corona, alpha, TGEV

PRCoV

42
Q
  1. Porcine epidemic diarrhoea, haemagglutinating encephalomyelitis of pigs.

Pathogen

A

Corona, alpha, PEDV

Corona, beta, HECoV
-ontario disease < 3w (similar to rabies)

43
Q
  1. Coronaviral diarrhoea of cattle and dogs.

Pathogen

A

Cattle:
Corona, beta, BCoV
- Resp form and diarrheic form

Dogs:
Corona, alpha, CCoV
-Also panleuko - fever and hem!!

44
Q
  1. Diseases of cats caused by coronaviruses.

Pathogen
Forms

A

Corona, alpha, FeCoV

  • Feline corona virus, feline enteric corona
  • Mutates into FIP, feline infectious peritonitis
  • Wet and dry form
45
Q
  1. Infectious bronchitis of chicken, coronaviral enteritis of turkey.

Pathogen

A

Both - corona, gamma

46
Q
  1. Diseases of farm animals caused by orthoreoviruses and rotaviruses.
A

Orbivirus (sedoreovirinae) - ARBO

  • Bluetongue
  • AHS
  • Equine encephalosis

Rotavirus (sedoreo) - Resistent!

  • Rota A-J
  • Neonatal enteritis

Orthoreo (spinareovirinae)

  • Avian orthoreo - tenosynovitis, PEMS, helicopter
  • Mammalian - pneumoenteritis of young animals
47
Q
  1. Reoviral diseases of poultry.

diseases

A

Avian Orthoreovirus infection:
- Arthritis and tenosynovitis

Connected with:
-Enteritis, stunting disease -PEMS, helicopter disease, malabsorption, hydropericardium, resp, immunosuppression.

48
Q
  1. Bluetongue.

general

A
  • Orbivirus
  • midges, gnats
  • sheep, cattle
49
Q
  1. Epizootic haemorrhagic disease.
A

NOTI

  • orbi
  • midges
  • white tailed, deer, ru
  • 90% mortality
50
Q
  1. African horse sickness, equine encephalosis.
A

AHS:

  • orbi, sedo
  • arbo - midges, semen, urine, discharge
  • horse, zebra, donkey

Forms:

  • peracute - resp, fever death
  • Acute . resp, fever death
  • subacute - heart, edema
  • Mixed form
  • Chronic - fever

Equine Encephalosis

  • Rarely fatal
  • midges
  • blood vessel damage
  • no vax
51
Q
  1. Characteristics of influenza viruses, epidemiology of influenza (Zoon.).

4 influenza types
7 Proteins

A

Orthomyxovirus, ssRNA, env - sensitive

alpha- A, porcine, equine, human, avian
beta - B human, seal
gamma- C human, swine
delta - D swine, cattle

Proteins:
PA, PB1, PB2 – RNA-dependent RNA polymerase
NP – nucleoprotein; M1 – matrix protein
M2 – matrix protein: ion channel for decapitation
HA – hemagglutinin
NA – neuraminidase

52
Q
  1. Diseases caused by Orthobunyaviruses (Zoon.).
A
  • arthropod
  • transovarian

Akabane
Aino
Schmallenberg

53
Q
  1. Rift Valley fever and Nairobi sheep disease.
A
  • bunyavirus (RVF-phlebovirus, NSD-Orthonairovirus)
  • zoonotic
  • arthropod (mosq-rift, tick-nairobi)
  • Rift - noti
54
Q
  1. Rinderpest, peste des petits ruminants.

Pathogen
Forms

A

RP- paramyxovirus, morbilivirus

  • the 3D
  • acute, peracute, subacute

PPR- like rinderpest but in sheep and milder

55
Q
  1. Diseases caused by Henipa viruses.

viruses

A

Paramyxo, henipa virus

  • Hendra (human, horse)
  • Nipah (swine,dog, human, cat)
56
Q
  1. Diseases caused by bovine respiratory syncytial virus and parainfluenza-3 virus.

Pathogen

A

BRSV - paramyxovirus, pneumovirus

Bovine PI-3

57
Q

*76. Newcastle disease (aetiology, epidemiology, pathogenesis, clinical signs).

Pathogen
Forms

A

Avian paramyxovirus - 1
-Notifiable

4 variants:

  • Velogenic
  • Mesogenic
  • Lentogenic
58
Q
  1. Avian metapneumovirus infections.

Diseases:

A

(paramyxo)

Turkey rhinotracheitis (TRT)
Avian rhinotracheitis (ART)
Swollen head syndrome (+e.coli)
Duck rhinotracheitis

59
Q
  1. Borna disease, avian diseases caused by bornaviruses.

Diseases:

A

Borna disease- sad horse disease

Avian borna - proventricular dilatation disease

60
Q
  1. General characteristics and grouping of retroviruses.
A

Alpha:

  • Avian leukosis
  • Avian sarcoma

Beta:

  • Ovine pulm adenomatosis
  • Ovine enzootic adeocarcinoma

Gamma:

  • Feline leucosis
  • Feline sarcoma
  • Reticuloendotheliosis

Delta:
-Enzootic bovine leucosis

Lenti:

  • Maedi-visna
  • Caprine arthritis-encephalitis
  • EIA
  • FIV, BIV, HIV
61
Q
  1. Enzootic bovine leucosis.
A

Delta retro:

  • cattle- noti
  • no vax, no treat
  • lymphocutosis, organs get tumors and cs depend on which organs: gut, abomasum, heart, lung, bladder
62
Q
  1. Ovine pulmonary adenomatosis.
A

Beta:

  • asymp introduced, pneumo tumors, fills lungs
  • stamping
63
Q
  1. Feline leucosis and acquired immune deficiency of cats.
A

Gamma:

  • FelV
  • 3 outcomes: abortive, regressive, progressive
  • vax, gen signs, vert + hori

FIV:
- fight male cats

64
Q
  1. Avian leucosis and reticuloendotheliosis.
A

Avian leucosis - alpha

  • germinative , day old chicks
  • anorex, weak, hanging belly, anaemia
  • cause different kinds of tumores; bm, grey tissue, bones, organs, rous sarcoma

Reticuloendotheliosis:

  • Gamma
  • bursal, lymphoma, beta leucosis
  • immunosup, high or low onco
65
Q
  1. Maedi-visna.
A

Lenti:

  • maedi - lungs, die
  • Visna - cns, paralysis, muscle atrophy die
66
Q
  1. Caprine arthritis-encephalitis.
A

CAE- lenti

  • encephalitis, arthritis, resp, mastitis
  • infection po
67
Q
  1. Equine infectious anaemia.
A 
Lenti, noti!
- horsefly, dead animals blood, 
no vax, kill and isloate 
- flaccid hear, bones, liver, fever, spleen 
3-5d die

EPI - topics (4 decks)

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