| 1. | Is the flu vaccine safe
流感疫苗安全吗？ |
| 2. | The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious
最近结束的临床试验第二阶段表明疫苗安全有效。 |
| 3. | The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious
最近总结出的二期临床试验表明，疫苗安全有效。 |
| 4. | The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious
最近的临床试验第二阶段表明该疫苗安全且有效。 |
| 5. | The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious
最新第二次临床试验表明这种疫苗安全并且有效。 |
| 6. | The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious
最近第二阶段的临床试验表明，该疫苗安全而有效。 |
| 7. | The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious
近期第二阶段的临床试验结果显示，这种疫苗安全而有效。 |
| 8. | Researchers in the country say they have developed a bird flu vaccine for human use , and the vaccine is " safe " and " effective "
研究人员声称他们已研制出适合人类使用的疫苗，此疫苗安全而有效。 |
| 9. | Researchers in the country say they have developed a bird flu vaccine for human use , and the vaccine is " safe " and " effective "
中国研究人员声称已经研发出人用禽流感疫苗，而且这个疫苗安全有效。 |
| 10. | Researchers in the country say they have developed a bird flu vaccine for human use , and the vaccine is " safe " and " effective "
中国研究人员表示，他们研制出人禽流感疫苗，并且这一疫苗安全而有效的。 |
