Eastern equine encephalitis virus: Difference between revisions

Revision as of 12:02, 29 October 2020

Background

Microbiology

Virus in the Togaviridae family and Alphavirus genus

Epidemiology

Mosquito-borne avian infection carried by the Culiseta melanura mosquito
Horses and humans are dead-end hosts, infected by bridge vectors including Aedes vexans and Coquillettidia perturbans
Only one human case ever recorded in Ontario

Clinical Manifestations

Most are asymptomatic
Incubation period of 4 to 10 days
For those who develop disease, it usually begins with an influenza-like illness, with fever, malaise, arthralgia, and myalgia, which lasts one to two weeks
Some people develop neurologic disease during the febrile illness, which may progress to encephalitis
There is a high mortality rate among those who develop encephalitis, with death usually occuring between 2 and 10 days after illness onset
It is possible to have permanent and severe neurologic sequelae

@@ Line 1: / Line 1: @@
-== Background ==
+==Background==
-== Microbiology ==
+==Microbiology==
-* Virus in the [[Togaviridae]] family and [[Alphavirus]] genus
+*Virus in the [[Family::Togaviridae]] family and [[Genus::Alphavirus]] genus
-=== Epidemiology ===
+===Epidemiology===
-* Mosquito-borne avian infection carried by the [[Culiseta melanura]] mosquito
+*Mosquito-borne avian infection carried by the [[Culiseta melanura]] mosquito
-* Horses and humans are dead-end hosts, infected by bridge vectors including [[Aedes vexans]] and [[Coquillettidia perturbans]]
+*Horses and humans are dead-end hosts, infected by bridge vectors including [[Aedes vexans]] and [[Coquillettidia perturbans]]
-* Only one human case ever recorded in Ontario
+*Only one human case ever recorded in Ontario
-== Clinical Manifestations ==
+==Clinical Manifestations==
-* Most are asymptomatic
+*Most are asymptomatic
-* Incubation period of [[Usual incubation period::4 to 10 days]]
+*Incubation period of [[Usual incubation period::4 to 10 days]]
-* For those who develop disease, it usually begins with an influenza-like illness, with fever, malaise, arthralgia, and myalgia, which lasts one to two weeks
+*For those who develop disease, it usually begins with an influenza-like illness, with fever, malaise, arthralgia, and myalgia, which lasts one to two weeks
-* Some people develop neurologic disease during the febrile illness, which may progress to encephalitis
+*Some people develop neurologic disease during the febrile illness, which may progress to encephalitis
-* There is a high mortality rate among those who develop [[encephalitis]], with death usually occuring between 2 and 10 days after illness onset
+*There is a high mortality rate among those who develop [[encephalitis]], with death usually occuring between 2 and 10 days after illness onset
-* It is possible to have permanent and severe neurologic sequelae
+*It is possible to have permanent and severe neurologic sequelae
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