Purdue University biologists recently determined the structure of the West Nile virus (WNV), a development that could greatly augment our understanding of the virus' life cycle.

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Purdue Department of Biological Sciences image

The surface of a West Nile virus particle is composed of proteins that enable the virus to bind with and invade a host cell. The particle is approximately 50 nanometers in diameter, or about 1/1000th of the width of a human hair

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