herpes Flashcards
HSV1, hsv2 and vzv target cell
mucoepithelial
ebv target cell
epithelial cell and b lymphocytes
cmv target cell
epithelial cells, monocytes, lymphocyte
hsv1, hsv2, hsv3 latency
sensory nerve ganglia
ebv latency
b lymphocyte
cmv latency
monocyte, lymphocyte
how long is a herpes infection? and why?
life long because the primary infection is followed by latent infection and recurrences
t or f the herp can be shed assymptomatically
true
t or f reccurent cases are a source of contagion
true
t or f you hay have the herp but never develop signs or symptoms
true
what is the current most common cause of genital herp
hsv 1
herp incubation period
1 to 26 days
-average 6-8
how does herp manifest the majority of the time
it doesn’t, the herp is silent
S+S of the herp when it happens are dependent on what?
the anatomical site, the age and immune status
the first episode is typically worse and involves the following symptoms:
-systemic signs and symptoms
-mucosal and extramucosal sites
-longer duration of symptoms
-longer duration of virus isolation from lessions
-higher rate of complications
what will be the site of the outbreak
the site of contact
gingiovostomatitis and pharyngitis are the most common herp in
kids and young adults
where are the painful vesicles/ small blisters in gingivostomatitis and pharyngitis
-hard and soft palate, gingiva, tongue, lip and facial areas
other signs and symp of gingiovostomatitis and pharyngitis
fever, malaise, myalgias, not eating, irritable, cervical adenopathy
how to swab the lesion?
lift it and swab the base of the lesion to send for testing
when is a reactivation more likley?
when immunocomp or stressed
drugs that treat the herp
acyclovir and valocyclovir
asymptomatic virus excretion in saliva, development of intraoral mucosal ulcerations, herpetic ulcerations on the vermilion border of the lip or facial skin (cold sore) are??
S+S of reactivation
*typically not a systemic thing
when is recurrence more common
within the first year
what do some people take in the first year
acyclovir as prophylaxis to suppress the virus more
what will preceed the blisters
symptoms