Microbiology 2 (virology) Flashcards
(37 cards)
Non enveloped DNA viruses
Parvovirus
Adenovirus
Papopvavirus (papilloma, polyoma)
enveloped DNA viruses
Herpes
Pox
Hepadna (HepB)
Non-enveloped RNA viruses
Calici (Norovirus)
Picorna (Enterovirus)
Reo (Rotavirus)
Enveloped RNA virus
everything else
Viruses with nuclear and cytoplasmic inclusions
CMV
Measles
Warthin-FInkeldy giant cells
measles
nuclear inclusions and syncytia formation
HSV (Cowdry bodies)
forms syncytia with no inclusions
RSV
CPE that “sweeps across” culture in 2-3 days
HSV 1 or 2
Ramsay-Hunt syndrome
reactivation of latent VZV from genticulate ganglion of facial nerve
otalgia, facial paresis, vertigo, hearing loss, tinnitus
human herpes viruses
HSV1&2, CMV, VZV, EBV, HHV-6, HHV-8
EBV infects ____ via_____
B-lymphocytes via the CD3 receptor (CD21)
Duncan disease clinical
X-linked lymphoproliferative disorder
fulminant primary EBV infection; hemophagocytosis, hepatic necrosis (T/NK cell infiltrate)
Duncan disease genetics
SH2D1A gene (also called SAP gene)
Hoagland criteria for infectious mono
- > 50% lymphs
- > 10% atypical lymphs
- fever
- pharyngitis
- adenopathy
- serology
other causes of mononucleosis syndrome
Toxo, CMV, dilantin
5 serologic EBV tests
- IgM Anti-VCA
- Heterophile
- IgG Anti-EA
- IgG Anti_VCA
- Anti-EBNA
False + monospot
HIV, lupus, lymphoma
Serology of remote EBV
IgG Anti-VCA+
Anti-EBNA +/-
only EBV related lesions negative for EBER
oral hairy leukoplakia
Syndroems caused by EBV (7)
Hodgkin, primary effusion lymphoma, lymphomatoid granulomatosis,PTLD, oral hairy leukoplakia, nasopharyngeal carcinoma
HHV-6 causes
Roseola (exanthum subitum)
HHV-8 causes
Kaposi, primary effusion lymphoma, muticentric castleman
LANA-1 expression in specked nuclear pattern
HHV-8