Flashcards in Viruses/Fungi 2 Deck (22):
1
Viruses tend to become:
- latent
- chronic
- recurrent
2
How many types of herpesviruses?
8
3
How are herpesviruses similar/different?
- morphologically similar
- distinct biologic factors
4
This is more common than symptomatic illness with herpesviruses
subclinical primary infection
5
How long do the herpesviruses stay with the host?
Each type persists in a latent state for the life span of the host
6
Herpesviruses can be severe/fatal in these groups due to opportunistic infection
- infants
- immunocompromised
7
Type 1
HSV-1
8
Type 2
HSV-2
9
Type 3
Varicella-zoster
10
Type 4
Epstein-Barr infectious mononucleosis (EBV)
11
Type 5
Cytomegalovirus (CMV)
12
Type 6
Roseola human herpes virus (HHV)
13
Type 7
Herpes serologically associated with roseola (HHV)
14
Type 8
Human herpes associated with Kaposi's sarcoma (HHV)
15
HSV-1, HSV-2 infect here
- any organ
- mucocutaneous site
16
With HSV-1 and 2, what triggers reactivation of the latent virus?
- physical stress
- psychological stress
17
What are some of the other infections that occur with HSV-1 and 2?
- viral meningitis
- herpes encephalitis
- fetus acquisition of HSV
- herpetic keratitis
- herpetic whitlows
- disseminate to visceral organs
18
viral meningitis
inflammation of meninges surrounding the brain
19
herpes encephalitis
- infection of brain tissue
- rare
20
fetus acquisition of HSV
- 50% probability
- can be fatal if untreated
21
What reduces the risk of fetus acquisition of HSV?
c-section
22