Even if the link between the virus and obesity is proven, weight gain remains a complex issue that involves a person's genetics, culture, and environment, not just his or her history of infection.
West Nile virus (WNV) is a member of the flavivirus genus and belongs to the Japanese encephalitis antigenic complex of the family Flaviviridae.
西尼罗河病毒是黄病毒属的一种，与日本脑炎抗原复合物同属黄病毒属。
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It is a complex process of virus absorption and entry into the host cells, which provides potential targets for prevention and therapy of virus diseases.