# Encefalite do Oeste do Nilo

> Página oficial: https://raras.org/doenca/encefalite-do-oeste-do-nilo
> Fonte: Raras.org — Banco de Dados de Doenças Raras em Português (CC BY-NC-SA 4.0)
> Última atualização: 2026-05-07

## Identificadores

- **ORPHA**: 83476 — https://www.orpha.net/en/disease/detail/83476
- **CID-10**: A92.3

## Descrição clínica

An acute arboviral infection caused by a virus of the Flaviviridae family transmitted by an infected mosquito, that is asymptomatic in the majority of cases but that can present in rare occasions with mild flulike symptoms such as low-grade fever, arthralgia, myalgia, and/or rash, or with neurologic manifestations including meningitis, encephalitis with mental confusion or disorientation, tremors and acute flaccid paralysis/poliomyelitis.

## Epidemiologia e herança

- **Prevalência**: Unknown
- **Padrão de herança**: Not applicable

## Ensaios clínicos ativos (1)

- **NCT06510426** [RECRUITING]: Early Interferon-beta Treatment for West-Nile Virus Infection — https://clinicaltrials.gov/study/NCT06510426
- **NCT04371003** [WITHDRAWN]: Prospective Investigation of Oxidative Stress in West Nile Virus Infection — https://clinicaltrials.gov/study/NCT04371003
- **NCT02186626** [COMPLETED]: Evaluating the Safety and Immunogenicity of a Live Attenuated West Nile Virus Vaccine for West Nile Encephalitis in Adults 50 to 65 Years of Age — https://clinicaltrials.gov/study/NCT02186626
- **NCT00094718** [COMPLETED]: Safety of and Immune Response to a West Nile Virus Vaccine (WN/DEN4-3'delta30) in Healthy Adults — https://clinicaltrials.gov/study/NCT00094718
- **NCT00537147** [COMPLETED]: Safety of and Immune Response to a West Nile Virus Vaccine (WN/DEN4delta30) in Healthy Adults — https://clinicaltrials.gov/study/NCT00537147
- **NCT00068055** [COMPLETED]: IVIG - West Nile Encephalitis: Safety and Efficacy — https://clinicaltrials.gov/study/NCT00068055
- **NCT00091845** [TERMINATED]: An Exploratory Study of AVI-4020 in Patients With Possible Acute Neuroinvasive West Nile Virus (WNV) Disease — https://clinicaltrials.gov/study/NCT00091845

## Importante

O Raras **não diagnostica e não prescreve**. Esta página é educativa e informativa.
Pacientes devem consultar profissionais de saúde qualificados para decisões clínicas.

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