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DNA Viruses
Herpesviridae
HHV-3
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Cards (6)
Cause of Varicella Zoster Virus (HHV-3)
Varicella
(chicken pox)
Incubation -
2
weeks
Highly contagious
Herpes
zoster
(shingles)
Recurrent form of chicken pox
Latent (remain
inactive
)
VZV latency
Dorsal
root
ganglia
Tzanck
smear
Mulinucleated giant cell with cowdry type A inclusions (VZV & HSV)
MOT of VZV (HSV-3)
Respiratory
droplets
Direct
contact with lesions
Diagnosis of VZV (HSV-3)
Made based on
clinical
signs
TORCHES (pregnancy like kit, where the organisms are labeled)
TO
Toxoplasmosis
R
Rubella
C
CMV
He
Herpes
,
HIV
S
syphilis
Can cross
placenta
and cause congenital disease (Pregnant mothers must have a checkup for the following)