Reo-, birna- viridae

Question 1

Reo-: Etymology

Answer 1

“Respiratory enteric orphan”

Question 2

Reo-: Morphology

Answer 2

• Segmented dsRNA
• Icosahedral double capsid
• Non-enveloped

Question 3

Reo-: Resistance

Answer 3

• Strong: Orthoreo-, Rota-
• Weak: Orbi-, Colti-

Question 4

Reo-: Biological properties

Answer 4

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

Question 5

Reo-: Antigenic properties

Answer 5

• Good antigens
• Cross reactions

Question 6

Reo-: Diagnosis

Answer 6

• Isolation
• IF
• Experimental animals
• ccIEF
• IEM

Question 7

Reo-: Genuses

Answer 7

• Orthoreo-
• Rota-
• Orbi-
• Colti-
• Saedorna-

Question 8

Orthoreo-: Examples

Answer 8

Mammalian + avian reovirus

Question 9

Colti-: Example

Answer 9

Colorado tick fever

Question 10

Orbi-: Examples

Answer 10

• African horse sickness
• Equine encephalosis
• Bluetongue
• Ibaraki disease
• Epizootic haemorragic disease

Question 11

Rota-: Serotypes

Answer 11

A, B, C, D and E

Question 12

Saedorna-: Examples

Answer 12

• Banna virus
• Kadipiro virus
• Liao Ning virus

Question 13

Birna-: Etymology

Answer 13

Bi-: RNA

Question 14

Birna-: Morphology

Answer 14

• Segmented dsRNA
• Icosahedreal capsid
• Non-enveloped

Question 15

Birna-: Resistance

Answer 15

Strong

Question 16

Birna-: Biological properties

Answer 16

• Baltimore III - Viral transcriptase
• Difficult to isolate
• Virulence varients

Question 17

Birna-: Antigenic properties

Answer 17

• Good antigens
• No cross reactions

Question 18

Birna-: Genuses

Answer 18

• Avibirna-
• Aquabirna-

Question 19

Avibirna-: Example

Answer 19

Infectious bursal disease

Question 20

Aquabirna-: Example

Answer 20

Infectious pancreatic necrosis (Salmonidae)

Question 21

Mammalian reovirus

Answer 21

Euryxen (Many species)

• Pneumoenteritis

Question 22

Avian reovirus

Answer 22

Birds

• Tenosynovitis
• Helicopter disease

Question 23

Colorado tick fever

Answer 23

Human

• Fever
• Rash

Question 24

African horse sickness

Answer 24

Horse

• Oedema
• Haemorrhage
• Pneumonia

Question 25

Bluetongue disease

Answer 25

Sheep & cattle * Abortion * Cyanosis * Oedema

Question 26

Rotavirus: symptoms

Answer 26

Calves, piglets & children * Neonatal enteritis

Question 27

Infectious bursal disease

Answer 27

Chicken * Immunosuppression * *Multiplication occurs in the bursa fabricii*

Question 28

*Reo-*: Transmission

Answer 28

Arbovirus

Question 29

*Birna-*: Transmission

Answer 29

_Contact_

Question 30

*Orbi-*: Subfamily

Answer 30

*Sedoreo-*

Question 31

*Orthoreo-*: Subfamily

Answer 31

Spinareovirinae