Lecture 13 Flashcards

1
Q

What is the definition of an emerging virus

A

Infections that have:

a) newly appeared in a population
b) increasing the incidence
c) geographic range

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2
Q

Where does parvovirus change

A

in the virus that allows a change in host

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3
Q

Where does Avian influenza H5N1 change

A

virus

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4
Q

Where does Filovirus change

A

Virus

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5
Q

Where does SARS coronavirus change

A

in epidemiology

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6
Q

Where does paramyxovirus change

A

Epidemiology

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7
Q

Where does Porcine circovirus 2 change

A

Recognition of a virus that was already present

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8
Q

Where does West Nile Virus change

A

Introduction of the pathogen into new areas and hosts

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9
Q

How is canine Parvovirus characterised

A

Diarrhoea, vomiting, anorexia, depression, lymphopaenia and dehydration

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10
Q

Does Parvo have a high mortality

A

Yes

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11
Q

What can infection of pregnant bitches result in

A

Intrauterine infection and myocarditis in the new born pups

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12
Q

Hows is Nipah virus transmitted

A

Flying foxes

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13
Q

How is Nipah virus transmitted from pig to pig

A

Through respiratory route

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14
Q

What is menangle virus characterised by

A

Reproductive failure

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15
Q

What does Hendra virus infect

A

Large fruit bats

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16
Q

What are the symptoms of Hendra

A

Rapid onset of illness, fever, increased HR and rapid deterioration with respiratory and/or neurological signs

17
Q

What is the Australian rabies called

A

Lyssavirus

18
Q

How to prevent Lyssavirus

A

Vaccination

19
Q

What does SARS stand for

A

Severe Acute Respiratory Syndrome

20
Q

What is SARS caused by

A

A coronavirus

21
Q

How is Ebola and Marburg viruses transferred

A

Via an intermediate host

22
Q

Does avian influenza have a high mortality

A

Yea

23
Q

What is a mixed vessel for avian influenza

A

Pigs

24
Q

What does Hantavirus infect

A

Rodents urine, saliva or faeces

25
Q

What does Hantavirus cause

A

Hantavirus hemorrhagic fever with renal syndrome (Europe and Asia) and Hantavirus pulmonary syndrome (America)

26
Q

How is porcine circovirus inked

A

Circular covalently linked viral DNA genome

27
Q

What are the drivers of emerging infectious diseases (6)

A
  1. Global warming/climate change
  2. Biological impoverishment
  3. Habitat fragmentation
  4. Increasing toxification
  5. Global movement of people and other living organisms
  6. Have worked synergistically to diminish ecosystem function