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10 Cards in this Set
- Front
- Back
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Pathogen
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organism or agent that produces disease
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Opportunistic Pathogen
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infets host with weakend immune system (compromised)
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Zoonoses
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diseases transmitted from animals to humans
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Vectors
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Organisms that transit disease (mosquitoes, ticks, fleas)
Arthropods |
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Pathogenicity
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ability to produce disease in host
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Virulence
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degree of pathogenicity
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determinants or virulent factors
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genetic, biochemical, or structural features that contribute to virulence
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Lethal Dose 50 (LD50)
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number of pathogens that will kill 50% of an exponential group of hosts
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Viral Life Cycle
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1. Attachment to host cell
2. Entry- penetration, uncoating 3. Synthesis - replication, transcription, translation 4. Assembly 5. Virion release |
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Latency
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virus stops reproducing, remains dormant, can become active again
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