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Virology > Reo-, birna- viridae > Flashcards

Reo-, birna- viridae Flashcards

1
Q

Reo-: Etymology

A

“Respiratory enteric orphan”

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2
Q

Reo-: Morphology

A
  • Segmented dsRNA
  • Icosahedral double capsid
  • Non-enveloped
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3
Q

Reo-: Resistance

A
  • Strong: Orthoreo-, Rota-
  • Weak: Orbi-, Colti-
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4
Q

Reo-: Biological properties

A
  • Baltimore III - Viral transcriptase
  • CPEs: Cytoplasmic inclusion bodies, rounding
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5
Q

Reo-: Antigenic properties

A
  • Good antigens
  • Cross reactions
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6
Q

Reo-: Diagnosis

A
  • Isolation
  • IF
  • Experimental animals
  • ccIEF
  • IEM
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7
Q

Reo-: Genuses

A
  • Orthoreo-
  • Rota-
  • Orbi-
  • Colti-
  • Saedorna-
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8
Q

Orthoreo-: Examples

A

Mammalian + avian reovirus

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9
Q

Colti-: Example

A

Colorado tick fever

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10
Q

Orbi-: Examples

A
  • African horse sickness
  • Equine encephalosis
  • Bluetongue
  • Ibaraki disease
  • Epizootic haemorragic disease
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11
Q

Rota-: Serotypes

A

A, B, C, D and E

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12
Q

Saedorna-: Examples

A
  • Banna virus
  • Kadipiro virus
  • Liao Ning virus
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13
Q

Birna-: Etymology

A

Bi-: RNA

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14
Q

Birna-: Morphology

A
  • Segmented dsRNA
  • Icosahedreal capsid
  • Non-enveloped
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15
Q

Birna-: Resistance

A

Strong

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16
Q

Birna-: Biological properties

A
  • Baltimore III - Viral transcriptase
  • Difficult to isolate
  • Virulence varients
17
Q

Birna-: Antigenic properties

A
  • Good antigens
  • No cross reactions
18
Q

Birna-: Genuses

A
  • Avibirna-
  • Aquabirna-
19
Q

Avibirna-: Example

A

Infectious bursal disease

20
Q

Aquabirna-: Example

A

Infectious pancreatic necrosis (Salmonidae)

21
Q

Mammalian reovirus

A

Euryxen (Many species)

  • Pneumoenteritis
22
Q

Avian reovirus

A

Birds

  • Tenosynovitis
  • Helicopter disease
23
Q

Colorado tick fever

A

Human

  • Fever
  • Rash
24
Q

African horse sickness

A

Horse

  • Oedema
  • Haemorrhage
  • Pneumonia
25
Q

Bluetongue disease

A

Sheep & cattle

  • Abortion
  • Cyanosis
  • Oedema
26
Q

Rotavirus: symptoms

A

Calves, piglets & children

  • Neonatal enteritis
27
Q

Infectious bursal disease

A

Chicken

  • Immunosuppression
  • Multiplication occurs in the bursa fabricii
28
Q

Reo-: Transmission

29
Q

Birna-: Transmission

30
Q

Orbi-: Subfamily

31
Q

Orthoreo-: Subfamily

A

Spinareovirinae

Virology (32 decks)

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