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Questions and Answers
What type of genetic material do Reo.viruses possess?
What type of genetic material do Reo.viruses possess?
- Circular RNA
- Double Stranded RNA (correct)
- Single Stranded RNA
- Linear DNA
Which virus family is known for causing Rubella?
Which virus family is known for causing Rubella?
- Toga.viruses (correct)
- Flavi.viruses
- Retro.viruses
- Para.myxo.viruses
Which of the following statements is true about Corona.viruses?
Which of the following statements is true about Corona.viruses?
- They cause diseases like the common cold and COVID-19. (correct)
- They are non-enveloped.
- They possess double-stranded RNA.
- They are known to cause rabies.
What characteristic defines Retro.viruses?
What characteristic defines Retro.viruses?
Which virus family does not have an envelope?
Which virus family does not have an envelope?
What is the genetic material structure of Flavi.viruses?
What is the genetic material structure of Flavi.viruses?
Which virus family requires the presence of HBV for replication?
Which virus family requires the presence of HBV for replication?
Which of the following viruses is known to cause hemorrhagic fevers?
Which of the following viruses is known to cause hemorrhagic fevers?
Which virus family has a helical structure?
Which virus family has a helical structure?
Which of the following virus families include viruses that cause respiratory infections?
Which of the following virus families include viruses that cause respiratory infections?
Which of the following virus families is known for having an icosahedral structure?
Which of the following virus families is known for having an icosahedral structure?
Which specific diseases are caused by Flavi.viruses?
Which specific diseases are caused by Flavi.viruses?
What is a common characteristic of viruses within the Bunya.viruses family?
What is a common characteristic of viruses within the Bunya.viruses family?
Which type of virus is associated with causing rabies?
Which type of virus is associated with causing rabies?
Which virus family is known for causing the diseases listed: common cold, COVID-19, SARS, and MERS?
Which virus family is known for causing the diseases listed: common cold, COVID-19, SARS, and MERS?
Flashcards
Virus family
Virus family
A group of viruses that are classified based on their structure, genetic material, and other characteristics.
Virus structure
Virus structure
The physical shape of a virus, often described as a helix (spiral) or icosahedron (20-sided shape).
Viral genetic material
Viral genetic material
The type of genetic material found in a virus, like DNA or RNA, and whether it's single or double stranded.
Enveloped virus
Enveloped virus
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Non-enveloped virus
Non-enveloped virus
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Single-stranded RNA
Single-stranded RNA
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Double-stranded RNA
Double-stranded RNA
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Circular RNA
Circular RNA
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Reo.viruses
Reo.viruses
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Picornaviruses
Picornaviruses
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Retro.viruses
Retro.viruses
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Corona.viruses
Corona.viruses
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Ortho.myxo.viruses
Ortho.myxo.viruses
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Hepe.virus
Hepe.virus
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Delta virus
Delta virus
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Rhabdo.viruses
Rhabdo.viruses
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Study Notes
RNA Viruses
- Reoviruses: Multisegmented, Double-Stranded, Linear; Important cause of diarrhea in young children; potentially fatal.
- Picornaviruses: Non-enveloped, "Naked", Icosahedral; Include poliovirus (with vaccines).
- Hepeviruses: Icosahedral; Include Hepatitis E virus (HEV)
- Caliciviurses: Icosahedral; Include norovirus, a common cause of viral gastroenteritis and watery diarrhea.
- Flaviviruses: Single stranded, Linear; Include arboviruses (arthropod-borne viruses) like dengue fever, yellow fever, Zika virus; also, some encephalitis viruses.
- Togaviruses: Single-Stranded, Linear; Include rubella (German measles).
- Matonaviruses: Single-Stranded, Linear; Include a various viruses and causes.
- Retroviruses: Single-Stranded, Linear; Include HIV-AIDS and Human T-cell Leukemia Virus (HTLV) and are characterized by reverse transcriptase.
- Coronaviruses: Enveloped, Icosahedral; Include the "common cold," SARS, and MERS-CoV.
- Orthomyxoviruses: Multisegmented; Include influenza viruses.
- Paramyxoviruses: Multisegmented; Include respiratory syncytial virus (RSV).
- Rhabdoviruses: Helical; Rabies is a common example.
- Filoviruses: Helical; Example: Ebola Virus
- Arenaviruses: Multisegmented; Include some viral hemorrhagic fevers
- Bunyaviruses: Multisegmented; This group includes many viruses that cause hemorrhagic fevers, such as California encephalitis (with sandfly), Rift Valley fever, Hantavirus.
- Deltaviruses: Enveloped, Single-Stranded, Circular; Hepatitis D virus requires Hepatitis B virus for replication.
Additional Information
- Coxsackievirus: Herpangina (mouth blisters, fever), Hand, foot, and mouth disease, Aseptic meningitis, Myocarditis, Pericarditis
- Echovirus: Rhinovirus—"common cold," Aseptic meningitis
- West Nile Virus: Acute asymmetric flaccid paralysis, Meningoencephalitis
- Chikungunya Virus: Co-infection with dengue virus
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