这项研究结果是在对大约8,000位五岁以下学龄前儿童进行流感疫苗喷雾与传统的注射预防比较后发现，喷雾剂的有效率达到55%以上，而在星期一的儿童健康会议上被提出的。

The study, presented Monday at a child-health meeting, found the spray vaccine was 55 percent more effective than traditional flu shots when given to nearly 8,000 children under age 5.

youdao

这项研究结果是在对大约8,000位五岁以下学龄前儿童进行流感疫苗喷雾与传统的注射预防比较后发现，喷雾剂的有效率达到55%以上，而在星期一的儿童健康会议上被提出的。

The study, presented Monday at a child-health meeting, found the spray vaccine was 55 percent more effective than traditional flu shots when given to nearly 8,000 children under age 5.

youdao