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Epi > Toga > Flashcards

Toga Flashcards

1
Q

Togaviruses are transmitted by mosquitoes

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2
Q

The clinical appearance of togavirus infection is dose dependent

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3
Q

Several togaviruses are zoonotic agents

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4
Q

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

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5
Q

Rodents serve as reservoirs for the Western equine encephalomyelitis virus

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6
Q

Equine encephalomyelitis viruses are zoonotic

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7
Q

In the geographic distribution of equine togavirus migratory birds
Equine encephalomyelitis viruses can cause asymptomatic infections

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8
Q

Birds serve as reservoirs for the Eastern equine encephalomyelitis virus

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9
Q

Equine encephalomyelitis viruses can cause lameness in horses

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10
Q

In Venezuelan horse encephalitis enteric symptoms can be observed too

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11
Q

An early sign of Eastern encephalomyelitis is biphasic fever

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12
Q

Mosquitoes are the principle vectors of equine encephalomyelitis viruses

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13
Q

Equine encephalomyelitis can cause abortion in human

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14
Q

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

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15
Q

In endemic countries vaccines are available against equine viral encephalomyelitis

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16
Q

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

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17
Q

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

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18
Q

The Equine encephalitis virus may cause abortion

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19
Q

Mosquitoes are the principal vectors of the Western Equine encephalitis

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20
Q

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

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21
Q

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

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22
Q

The host range of horse encephalomyelitis togaviruses is wide

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23
Q

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

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24
Q

American horse encephalomyelitis viruses represent several types and subtypes

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25
Q

Vectors of American horse encephalomyelitis Togaviruses are mosquitoes

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26
Q

Main means of control of American borse encephalomyelitis are mosquito control and vaccines

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27
Q

An early sign of Eastern encephalomyelitis is biphasic fever

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28
Q

Serological cross-reactions are seen between certain encephalomyelitis viruses

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29
Q

Equine encephalomyelitis outbreaks are usually emerging in summer or rainy seasons

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30
Q

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

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31
Q

The equine encephalomyelitis viruses are zoonotic agents

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32
Q

Chikungunya virus causes joint pains, fever, rash and haemorrhages in humans

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33
Q

Chikungunya virus is transmitted by the Asian tiger mosquito

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Epi (19 decks)

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