The World Health Assembly also noted a report which detailed several recommendations for research on the smallpox virus.
世界卫生大会还注意到一份报告详细叙述了有关天花病毒研究的若干建议。
2
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。
3
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.