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Epi Pq Final Viro CORRECTED > Equine Encephalomyelitis > Flashcards

Equine Encephalomyelitis Flashcards

1
Q

Horse encephalomyelitis viruses are transmitted by ticks

A

F

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2
Q

Abortion is the main clinical sign of togavirus infection results in abortion of horses

A

F

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3
Q

The leading clinical sign of togavirus infection is the frothy nasal discharge

A

F

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4
Q

Togavirus infection in horses results in hepatitis

A

F

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5
Q

In the geographic distribution of equine togavirus migratory birds have an important role

A

T

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6
Q

Rodents serve as reservoirs for the Western equine encephalomyelitis virus

A

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7
Q

Rodents serve as reservoirs for Venezuelan horse encephalomyelitis virus

A

T

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8
Q

Equine encephalomyelitis viruses are zoonotic

A

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9
Q

Equine encephalomyelitis viruses can cause asymptomatic infections

A

T

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10
Q

Horses encephalomyelitis vaccines defend against African horse sickness (cross protection)

A

F

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11
Q

Birds serve as reservoirs for the Eastern equine encephalomyelitis virus

A

T

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12
Q

Equine encephalomyelitis viruses can cause lameness in horses

A

T

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13
Q

Birds serve as reservoirs for Venezuelan horse encephalomyelitis virus

A

F

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14
Q

Western equine encephalitis causes the highest mortality

A

F

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15
Q

Equine encephalitis can be diagnosed easily by gross pathology

A

F

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16
Q

In Venezuelan horse encephalitis enteric symptoms can be observed too

A

T

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17
Q

Recovery from equine horse encephalitis induces immunity that lasts only 1 year

A

F

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18
Q

Equine encephalitis vaccines are available only for humans

A

F

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19
Q

An early sign of Eastern encephalomyelitis is biphasic fever

A

T

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20
Q

Eastern equine encephalomyelitis virus infects only horses

A

F

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21
Q

Mosquitoes are the principle vectors of equine encephalomyelitis viruses

A

T

22
Q

Equine encephalomyelitis can cause abortion in human

A

T

23
Q

Wild birds are involved in the transmission cycle of eastern equine encephalomyelitis

A

T

24
Q

Ticks are involved in the transmission cycle of EEE

A

F

25
Q

In endemic countries vaccines are available against equine viral encephalomyelitis

A

T

26
Q

Some strains of Venezuelan horse encephalitis virus can be transmitted from horse to other
hosts

A

T

check

27
Q

Vaccination of horses in the Americas is used to prevent togavirus infections.

A

T

28
Q

The Equine encephalitis virus may cause abortion.

A

T

29
Q

The Eastern Equine Encephalitis is present in Japan and Korea.

A

F

30
Q

Mosquitoes are the principal vectors of the Western Equine encephalitis.

A

T

31
Q

No characteristic gross pathology lesions are seen in Equine encephalitis caused by
Togaviruses.

A

T

32
Q

Eastern, Western and Venezuelan Equine encephalitis viruses are zoonotic agents.

A

T

33
Q

Togaviruses caused encephalomyelitis of horses occurs frequently worldwide.

A

F

34
Q

The host range of horse encephalomyelitis togaviruses is wide.

A

T

35
Q

American horse encephalomyelitis most frequently cause clinical signs is birds, horses and
humans.

A

T

36
Q

Humans are not susceptible to horse encephalomyelitis togaviruses.

A

F

37
Q

American horse encephalomyelitis viruses represent several types and subtypes.

A

T

38
Q

Vectors of American horse encephalomyelitis Togaviruses are mosquitoes

A

T

39
Q

Main means of control of American Horse encephalomyelitis are mosquito control and
vaccines.

A

T

40
Q

Vaccines cannot be used to prevent Togaviruses caused encephalomyelitis of horse

A

F

41
Q

An early sign of Eastern encephalomyelitis is biphasic fever.

A

T

42
Q

Mainly ticks are the vectors of Equine encephalomyelitis viruses.

A

F

43
Q

Serological cross-reactions are seen between certain encephalomyelitis viruses.

A

T

44
Q

Equine encephalomyelitis viruses cause disease in horse populations worldwide.

A

F

45
Q

Equine encephalomyelitis outbreaks are usually emerging in summer or rainy seasons.

A

T

46
Q

After recovery from acute viral encephalomyelitis permanent lesions may remain in horses.

A

T

47
Q

The equine encephalomyelitis viruses are zoonotic agents.

A

T

48
Q

Togavirus infections can unambiguously be diagnosed based on clinical signs and pathology.

A

F

49
Q

In Europe vaccination of horses against equine encephalomyelitis is compulsory.

A

F

50
Q

Togavirus infection results in abortion of horses

A

T

51
Q

Horse encephalitis occurs only in America

A

T

Epi Pq Final Viro CORRECTED (123 decks)

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