Introduction to Viruses Flashcards Preview

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Flashcards in Introduction to Viruses Deck (16):
1

How are viruses classified? (3 ways)

- Host range
- Virion structure and morphology
- Structure and replication of virus genome nucleic acid

2

How are viruses cultured?

In cell lines, tissue or animals

3

What are three examples of respiratory viruses?

- Influezna A
- Rhinovirus
- Respiratory syncytial virus

4

What's an example of a gastrointestinal virus?

Rotavirus

5

2 examples of a neurological virus

- Enterovirus
- Herpes simplex

6

2 examples of viruses that cause tumours

- Papillomavirus
- Retroviruses

7

What is meant by viruses being icosahedral?

They have 20 faces

8

What are the types of transmission that can come about through human-human contact?

- Blood borne
- Sexual
- Vertical (mother to child)
- Faecal oral
- Close contact

9

What are the other types of transmission?

- Droplet
- Airborne
- Vector
- Zoonotic

10

Describe co infection and how it results in resistant bacteria

- Virus A enters host at the same time as Virus B (that can successfully infect the host )
- Recombination between the species occurs
- New strain of virus A with the infectivity of Virus B

11

What are the 3 consequences of a viral infection?

- Clearance of the virus
- Chronic infection
- Latent infection

12

What two ways can the virus be cleared?

- Short term - no immunity
- Long term - development of immunity

13

What virus causes chronic infection?

HIV

14

What virus can cause latent infection?

Varicella

15

Name a virus that can lead to cancer

HPV leads to cervical cancer

16

What do you use to detect antibodies?

ELISA