该组织总干事陈富珍女士正在访问坦桑尼亚，她说，生产疫苗所需的感染病毒已经在实验室进行研制。

The organization's Director General Dr. Margaret Chan who's visiting Tanzania said the infected virus necessary for making the vaccine had been developed in the laboratory.

youdao

世界卫生组织总干事，疫苗研究项目负责人陈富珍女士说，其中一些批次的疫苗也有可能被用在未来的疫苗接种活动中。

Director of WHO's Initiative for Vaccine Research, Marie-Paule Kieny, says some of the batch es also are likely to be used in future vaccination campaigns.

youdao

陈冯富珍说，这种病毒虽然在世界有些地方仍在传播，但程度已低于去年。

The virus continues to circulate in some parts of the world, but at lower levels than last year, Dr. Chan said.

youdao