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

23
Q

What is a mixed vessel for avian influenza

24
Q

What does Hantavirus infect

A

Rodents urine, saliva or faeces

25
What does Hantavirus cause
Hantavirus hemorrhagic fever with renal syndrome (Europe and Asia) and Hantavirus pulmonary syndrome (America)
26
How is porcine circovirus inked
Circular covalently linked viral DNA genome
27
What are the drivers of emerging infectious diseases (6)
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