In 1996, the World Health Assembly recommended that all remaining stocks of smallpox (variola) virus be destroyed.
1996年，世界卫生大会建议销毁所有剩余的天花病毒储存。
In May 1999, the World Health Assembly reaffirmed the decision to destroy all stocks of variola virus, but authorized temporary retention of stocks for research purposes.
1999年5月，世界卫生大会重申了销毁所有天花病毒储存的决定，但授权为研究目的暂时保留储存。
The WHO Advisory Committee on Variola Virus research has continued to oversee and report on the research plan.
世卫组织天花病毒研究咨询委员会一直在监督和报告研究计划的情况。
This research was recommended by the WHO Advisory Committee on Variola Virus research in November 2004, and is intended to develop better medicines, vaccines and diagnostics for smallpox.
这项研究是由世卫组织天花病毒研究咨询委员会2004年11月建议的，旨在针对天花开发更好的药物、疫苗和诊断办法。
Variola virus belongs to the genus of orthopoxvirus, and there are some other infectious members, such as Vaccinia virus, cowpox virus, and monkeypox virus.
在正痘病毒属还有另外几种病毒对人具有一定的感染性，如痘苗病毒、牛痘病毒和猴痘病毒。
The detection methods for vaccinia virus were developed and provide a base for laboratory diagnosis of variola-related viruses.
所建立的痘苗病毒系列检测方法，为天花相关病毒的实验室诊断奠定了基础。
The vaccinia virus is a non-dangerous virus used in the smallpox vaccine because it is related to the variola virus, which is the agent of smallpox.
痘苗病毒使用在牛痘苗时是无害的，因为它与作为传播天花媒介物的天花病毒相关。
The vaccinia virus is a non-dangerous virus used in the smallpox vaccine because it is related to the variola virus, which is the agent of smallpox.
痘苗病毒使用在牛痘苗时是无害的，因为它与作为传播天花媒介物的天花病毒相关。
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