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VIRAL MENINGITIS + ENCEPHALITIS - Coggle Diagram
VIRAL MENINGITIS + ENCEPHALITIS
TOGAVIRIDAE
Alphaviruses
-
Eastern equine encephalitis virus (EEE)
,
Western Equine Encephalitis Virus (WEE)
+ssRNA, icosahedral, enveloped
antigenically heterogenous
causes encephalitis, hemorrhagic disease, hepatitis
diagnosed RTPCR of blood or other samples
FLAVIVIRIDAE
St. Louis encephalitis virus
,
West Nile virus
,
zika
,
yellow fever
,
dengue
dengue
vaccine available to those with
confirmed
dengue exposure
zika
microcephaly
(
monitor pregnant women w/ ultrasound + birth)
vector = Aedes mosquito
(+ dengue and chikungunya viruses)
presents w/
maculopapular pruritic rash
spreading proximally, resolves in 2-7 days
+ssRNA, icosahedral, enveloped
antigenically homogenous (
serologic testing not recommended
)
causes encephalitis, hemorrhagic disease, hepatitis
diagnosed RT PCR of blood or other samples
detected longest in
semen
BUNYAVIRIDAE
LaCrosse Virus (California serogroup virus)
-ssrna replicates in cytoplasm
transmitted by aedes mosquito
-ssRNA circular enveloped
diagnose serum or csf IgM then confirmation, or detect viral RNA
ARENAVIRIDAE
Lymphocytic choriomeningitis virus (LCM)
appears sandy
zoonotic in rodents
may pass to fetus
diagnose with IgM and IgG in csf and serum, virus detection via PCR
HERPESVIRIDAE
Properties
dsDNA, enveloped
VZV
Alphaherpesviridae
HSV I
HSV II
HSV II
CMV