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Type of pathogen, pathogen name, disease name:
the common cold
- Type: Virus
- Pathogen name: Rhinovirus.
- Disease: common cold
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Type of pathogen, pathogen name, disease name:
Influenza
- Type: virus
- pathogen name: Influenza virus
- Disease name: Influenza
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Type of pathogen, pathogen name, disease name:
gastroenteritis
- pathogen name: Ratavirus
- Disease name: gastroenteritis (stomach flue).
- Type of pathogen: Virus
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Type of pathogen, pathogen name, disease name:
Hepatitis A virus (HAV)
- Disease name: hepatitis
- Pathogen name: Hepatitis A Virus (HAV)
- Pathogen type: virus
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Type of pathogen, pathogen name, disease name:
Hepatitis B Virus
- Disease name: hepatitis
- Pathogen name: Hepatitis B Virus (HBV)
- Pathogen type: Virus
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Type of pathogen, pathogen name, disease name:
Varicella-zoster Virus (VZV)
- Disease name: chickenpox and shingles
- Pathogen name: Varicella-Zoster Virus (VZV).
- Pathogen type: virus
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Type of pathogen, pathogen name, disease name:
Human Immunodeficiency Virus
- Disease name: Acquired Immunodeficiency Syndrome (AIDS)
- Type of pathogen: Virus
- Pathogen name: Human Immunodeficiency Virus
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Which do viruses mutate more rapidly in, RNA or DNA?
RNA
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Viruses have high or low infectivity
high
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2 effects of herpesviruses in terms of infection longevity
- 1) establishes latent infection
- 2) establishes life-long infections.
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2 facts about anti-viral drugs
- -few drugs exist that, because it's hard to target just them without targeting our own cells.
- -Anti-viral drugs target virus-specific components and processes.
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1) types of influenza virus (most common)
1) A (most common), B & C.
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Define antigenic drift
minor mutations that accumulate over time
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what is it called when:
-2 influenza viruses or segmented viruses infect one host cell
-Progeny of viruses from the cell contain a mixture of genomic segments from each of the viruses
-major 'mutation' that occurs instantaneously
-HUGE contributor to flue epidemics/pandemics
Antigenic shift
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difference between antigenic drift and antigenic shift
- 1) Antigenic drift happens slowly over time, and major contributor to evolution.
- 2) antigenic shift happens instantly in a cell and are from 2 segmented viruses making 100's of different viruses.
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how many phenotypes, and genotypes can occur from 1 influenza co-infection of antigenic shift (not counting random mutations)?
4 phenotypes, 256 genotypes
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Primary and secondary disease of VZV
Primary: chickenpox, secondary: shingles
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what causes clearance of chickenpox
innate immune system activates CD4, CD8 and B cels, making memory T and B cells.
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Is someone vaccinated with VCV infected with the virus once immunized?
most likely yes. infection occurred but no symptoms appear.
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