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首页> 外文期刊>Vaccine >RepliVAX WN, a single-cycle flavivirus vaccine to prevent West Nile disease, elicits durable protective immunity in hamsters.
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RepliVAX WN, a single-cycle flavivirus vaccine to prevent West Nile disease, elicits durable protective immunity in hamsters.

机译:RepliVAX WN是一种预防西尼罗河疾病的单周期黄病毒疫苗,可引起仓鼠持久的保护性免疫。

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West Nile virus (WNV) causes significant disease, yet no vaccines exist to prevent WN disease in humans. We have previously reported that RepliVAX WN is a safe and efficacious vaccine in mouse and hamster models of WN disease. Here, we report that vaccination of hamsters with RepliVAX WN induces antibody responses that remain stable for at least 6 months. Furthermore, animals challenged with virulent WNV 6 months after vaccination were protected from disease as well as those challenged 2 months post-vaccination, with no vaccinated animals succumbing to WNV challenge. These results indicate that RepliVAX is capable of inducing durable protective immunity after a single dose.
机译:西尼罗河病毒(WNV)引起重大疾病,但尚无预防人类WN疾病的疫苗。我们以前曾报道过,RepliVAX WN在WN疾病的小鼠和仓鼠模型中是一种安全有效的疫苗。在这里,我们报告说,用RepliVAX WN注射仓鼠疫苗可诱导至少6个月保持稳定的抗体反应。此外,接种疫苗后6个月受到强力WNV攻击的动物以及接种疫苗后2个月受到攻击的动物均得到了保护,而没有疫苗接种的动物死于WNV攻击。这些结果表明,RepliVAX能够在单剂后诱导持久的保护性免疫。

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