Virology Flashcards
chickenpox and shingles are both due to what?
varicella zoster virus
chickenpox is ________ whereas shingles is ______ or ______ ______
chickenpox is VARICELLA whereas shingles is ZOSTER or HERPES ZOSTER
chickenpox:
macules to _______ to ________ to _____ to ________
chickenpox:
macules to PAPULES to VESICLES to SCABS to RECOVERY
chickenpox is severe in the extremes of ___ or if ________________
chickenpox is severe in the extremes of AGE or if IMMUNOCOMPROMISED
name a complication of chickenpox affecting the lungs
pneumonitis/varicella pneumonia
secondary to chickenpox in mother in late pregnancy is known as what?
neonatal VZV
how do you prevent neonatal VZV?
inject pregnant woman with immune globulin
shingles is seen in what distribution?
dermatomal distribution
shingles is due to ____________ of varicella zoster virus
shingles is due to REACTIVATION of varicella zoster virus
shingles is seen in which two types of people?
elderly and immunocompromised
shingles presents with ________/____ to ________ to ________ to ______
shingles presents with TINGLING/PAIN to ERYTHEMA to VESICLES to CRUSTS
shingles pain is __________ in character
shingles pain is NEURALGIC in character
shingles in the ULQ of the face is affecting which nerve?
ophthalmic division of the trigeminal nerve
shingles in the LLQ (nasal area) of the face is affecting which nerve?
maxillary division of the trigeminal nerve
shingles in the jaw of the face is affecting which nerve?
mandibular division of the trigeminal nerve
vesicles and pain in the auditory canal and throat, facial palsy and irritation of the 8th cranial nerve is known as what?
Ramsay-Hunt Syndrome
aka Geniculate or otic herpes zoster
vaccination for chickenpox is not routine in the UK for children but is in the elderly to reduce the impact of shingles.
true or false?
true
what virus is described in the following:
gingivostomatitis
pre school children
ulceration in and around mouth
lasts a week
herpes simplex virus
herpes simplex spread to eczema is known as what?
eczema herpeticum
there are 2 types of HSV: type 1 and type 2.
which is most common?
HVS type 1
HVS type 2 is rare
what is the VSV and HSV therapy?
aciclovir
what is the lab confirmation of VSV or HSV?
viral swab
name the condition:
fleshy, firm, umbilicated, pearlescent nodules
self limiting
common in children but can be sexually transmitted
molluscum contagiosum
molluscum contagiosum treatment?
liquid nitrogen
what are warts caused by?
HPV
what is the treatment for warts?
topical salicylic acid
warts on your feet are called what?
verrucas
name the types of HPV virus in the following:
warts/verrucas -
genital warts -
cervical cancer -
warts/verrucas - 1 to 4
genital warts - 6 and 11
cervical cancer - 16 and 18
vaccine used in the UK for protection against HPV cover which types of HPV?
6, 11, 16 and 18
what is herpangina and what is it caused by?
blistering rash of back of mouth
enterovirus - not herpes virus
i.e. coxsackie
what virus is hand, foot and mouth disease caused by?
coxsackie virus
erythema infectiosum is also known as _______ _____ disease and is caused by __________ ___
erythema infectiosum is also known as SLAPPED CHEEK disease and is caused by PAROVIRUS B19
how do the lab confirm the presence of parvovirus B19?
antibody testing - parvovirus B19 IgM test
virus of sheep
‘scabby mouth’
firm, fleshy nodule on the hands of farmers
diagnosis?
Orf
name the 3 phases of Syphilis infection
primary
secondary
tertiary
what is seen at each phase of syphilis?
primary - ‘chancre’ painless ulcers
secondary - red rash, ‘snail track’ on mucous membrane
tertiary - CNS
what bacterium causes syphilis?
Treponema pallidum
syphilis treatment?
penicillin
name the vector in Lyme disease
tick
is the cause of Lyme disease bacterial or viral?
bacterial
name the early and late presentations of Lyme disease
early - erythema migrans
late - heart block, nerve palsies and arthritis
Lyme disease therapy?
doxycycline or amoxicillin
1 in _ people infected with Zika virus become ill
1 in 5 people infected with Zika virus become ill
timescales for symptom onset and resolution of Zika virus?
onset -
resolution -
timescales for symptom onset and resolution of Zika virus?
onset - 3-12 days
resolution - 2-7 days
symptoms of Zika virus (3)
mild fever
rash
headaches
presentation of Zika virus is similar to ______ and ____________
presentation of Zika virus is similar to DENGUE and CHIKUNGUNYA
Zika virus is spread by what?
mosquito Aedes Aegypti
Zika virus is a ______ disease requiring ________________
Zika virus is a SEVERE disease requiring HOSPITILIZATION -
____________ and ________ _____ syndrome are complications of zika virus
MICROCEPHALY and GUILLAIN BARRE syndrome are complications of zika virus
monkeypox is very ____
monkeypox is very RARE