West Nile virus (WNV)
Learn about West Nile virus, an enveloped RNA virus that causes West Nile fever. This article explores its transmission, clinical manifestations, and the potential targets for combating enveloped viruses.
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Epithelium means "cover tissue" that covers the whole surface of the body and lines the surfaces of hollow organs (e.g. intestine, bladder, etc.) The epithelium is composed of tightly single or multi-layered cells.