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9 Cards in this Set
- Front
- Back
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Togas effect primarily what animal?
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Horses
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What do the two envelope proteins do? Is there hemagglutination?
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E1- binds to host cell receptors
E2- penetration Yes |
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What genus of Toga are we concerned with? Cytolytic or non-cytolytic?
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Alphavirus
Cytolytic |
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Are Toga viruses contagious? How are they transmitted?
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No
Mosquitoes |
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Which Toga is the least virulent for humans and horses? What is the most?
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WEE
EEE |
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Is it possible for a mosquito to pick up and transmit WEE/EEE from an infected horse or human?
What about VEE? |
No, there is not enough virus present in the blood
Yes, can transmit! (as long as mutation occurs) |
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Who maintains VEE? WEE/EEE?
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Rodents
Birds |
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What are the phases of pathogenesis?
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Primary viremia- can be stopped if animal mounts good immune response
Secondary viremia = CNS effects |
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Does EE replicate in neurons?
Vax? |
Yes
Yes (bivalent or trivalent) |
