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11 Cards in this Set
- Front
- Back
Zoonotic Disease
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An infectious disease that is capable of being transmitted by vertebrate to animals to humans.
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3 examples of zoonotic diseases
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1. Ebola- Primates
2. Plaque- Raccoons 3. Taxo-plasmosis- Cats |
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Virus life cycle
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Virus enters a cell or simply injects its own DNA into the cell
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Virus life cycle step 1
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A virus takes over the host's metabolic pathway utilizing ATP and enzymes to generate virus particles.
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Virus life cycle step 2
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From a single virus tens of thousands of new viruses can be produced.
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Virus life cycle step 3
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Virus can only infect a limited number of hosts.
In a multicellular host, viruses can only infect a limited number of cells. |
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Emerging Virus
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A newly discovered virus that is increasing in incidence or has the potential to increase in incidence.
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3 examples of emerging virus
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- HIV
- West Nile - Swine Flue |
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Pathways of an emerging virus - Step 1
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Mutation of an existing virus.
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Pathways of an emerging virus - Step 2
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Dissemination of viral diseases from small, isolated human populations.
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Pathways of an emerging virus - Step 3
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Spread of existing viruses from other animals which become sources of new diseases in humans.
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