W-H-O officials expect some of those projects to be ready for testing by the end of the year.

世界卫生组织官员预计，其中一些项目将在今年年底前准备好进行测试。

If the virus continues spreading, the W-H-O says, scientists agree that Zika is the cause of two serious conditions.

世界卫生组织表示，如果病毒继续传播，科学家们一致认为寨卡是导致两种严重疾病的原因。