Virology Flashcards

(51 cards)

1
Q

Poxviridae characteristics

A
  • Zoonotic infections
  • Man is accidental host
  • Usually transmitted by direct contact
  • Molluscum contagiosum also sexually transmitted
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2
Q

Poxvirus types

A
  • Variola major
  • Cowpox
  • Molluscum contagiosum
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3
Q

Variola major

A

Host: Man
Disease: Smallpox

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4
Q

Cowpox virus

A

Host: cattle
Disease: hemorrhagic ulcer

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5
Q

Molluscum contagiosum

A

Host: man
Disease: chronic, multiple nodules (umbilicated appearance), vesicular rash on face and neck

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6
Q

Parvoviridae (parvovirus) types

A

• Parvovirus B19

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7
Q

Parvovirus B19

A

Transmission: aerosol
Disease: Erythema infectiosum (slapped cheek syndrome)

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8
Q

Hepadnaviridae (hepadnavirus) characteristics

A

Transmitted through
• injection (parenteral)
• sexual contact
• perinatal route (vertical)

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9
Q

Hepadnavirus types

A

Hepatitis B

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10
Q

Hepatitis B characteristics

A

Host: man
Disease: hepatitis, cirrhosis, liver cancer

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11
Q

Herpesviridae (herpesvirus) types

A
  • HSV-1
  • VZV
  • EBV
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12
Q

HSV-1

A

Transmission: oral, close contact
Disease: gingivostomatitis (cold sores)

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13
Q

VZV (Varicella Zoster Virus)

A

Transmission: aerosol, close contact, congenital
Disease: varicella (chickenpox), zoster (shingles)

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14
Q

EBV (Epstein-Barr Virus)

A

Transmission: close contact
Disease: Burkitt’s lymphoma
Infectious mononucleosis

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15
Q

Papillomaviridae (papillomavirus) types

A

HPV

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16
Q

HPV

A

• Transmission: close contact
Disease: warts
• Transmission: genital
Disease: condyloma acuminata (genital warts), cervical cancer

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17
Q

Adenoviridae (adenovirus) characteristics

A
Transmission: respiratory aerosol/ocular secretions
Diseases:
• Respiratory
• Conjunctivitis
• Haemorrhagic cystitis
• Gastroenteritis
• Pharyngitis, pharyngeal-conjunctival fever (infants)
• Tonsils infection
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18
Q

Caliciviridae (calicivirus) characteristics

A

Transmitted through food and water (fecal-oral spread)

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19
Q

Calicivirus types

A
  • Human Norwalk virus

* Human Sapporo virus

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20
Q

Human Norwalk virus

A

Host: man
Disease: Epidemic gastroenteritis (vomiting in children, diarrhoea in adults)

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21
Q

Human Sapporo virus

A

Host: man
Disease: acute gastroenteritis in children

22
Q

Astroviridae (astrovirus) characteristics

A

Transmitted through contaminated food and water (fecal-oral spread)

23
Q

Astrovirus type

A

Human astrovirus

24
Q

Human astrovirus

A

Host: man
Disease: gastroenteritis outbreaks (diarrhoea in children)

25
Picornaviridae (picornavirus) characteristics
* Transmission: fecal-oral, aerosol routes | * Vectors: cockroaches and flies
26
Picornavirus types
* Coxsackievirus A | * Enterovirus
27
Coxsackievirus A
Transmission: fecal-oral Disease: Herpangina (ulcer on fauces)
28
Enterovirus
Transmission: fecal-oral Disease: HFMD
29
Reoviridae (reovirus) types
Rotavirus
30
Rotavirus
Transmission: fecal-oral Disease: gastroenteritis (esp children)
31
Coronaviridae (coronavirus) characteristics
Transmission: droplet aerosol
32
Coronavirus type
SARS coronavirus
33
SARS coronavirus
Host: civet cats | Disease/ SARS
34
Paramyxoviridae (paramyxovirus) types
* Mumps | * Measles
35
Mumps
Transmission: aerosol Disease: Parotitis (inflammation of parotid gland)
36
Measles
Transmission: aerosol Disease: measles (erythematous rash)
37
Nipah virus
* Transmission: close contact with infected pigs * Hosts: fruit bats * Disease: encephalitis
38
Orthomyxoviridae (orthomyxovirus) types
• Influenza A
39
Influenza A
Host: man, animals Transmission: aerosol Disease: acute respiratory disease
40
Filoviridae (filovirus) characteristics
* Tubular and enveloped virus | * Transmitted via direct contact with blood
41
Filoviridae (filovirus) types
Ebola
42
Ebola virus
Host: man Disease: Haemorrhagic fever
43
Rhabdoviridae (rhabdovirus) characteristics
* Bullet-shaped enveloped virus | * Transmitted via bites of infected mammals
44
Rhabdovirus types
Rabies
45
Rabies
Host: all forms of mammals Disease: rabies, incl fatal encephalitis
46
Flaviviridae (flavivirus) characteristics
Hosts: birds, animals, man (accidental: zoonotic)
47
Flavivirus types
Dengue | Hepatitis C
48
Dengue
Host: man Disease: Haemorrhagic fever
49
Hepatitis C
Host: blood Disease: hepatitis, cirrhosis
50
Retrovirus types
HIV
51
HIV
Host: man Disease: AIDS