PATHOGENESI5 - the virus invades neural tissue encephalitis...

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PATHOGENESIS: Alphaviruses: There are three agents that cause disease in humans; 1. Chikungunya: This disease is transmitted by a mosquito, resulting in viremia that presents as an acute, febrile illness with malaise, a rash and arthritis . 2. Eastern and Western Equine Encephalitis (EEE, WEE): Following the bite of an infected mosquito, the resultant viremia is often asymptomatic. However, if
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Unformatted text preview: the virus invades neural tissue, encephalitis may result. This condition is marked by high fever, delirium, coma and possibly death due to convulsions and paralysis. 3. Venezuelan Equine Encephalitis (VEE): Similar to EEE and WEE, VEE has more systemic manifestations with less neural involvement....
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