| 1. | Animals may serve as a vehicle for viral transmission .
动物可能成为病毒传播的媒介。 |
| 2. | Virus spread within a field depends on the number of virus sources, the number of healthy plants .
田内病毒传播依据病毒源数目，健株数。 |
| 3. | In summer, virus spreads also from outside the field and cannot be stopped by aphicides .
在夏季，病毒传播也来自田外而且不能用杀蚜剂阻止。 |
| 4. | Does the virus spread easily from birds to humans
家禽能够容易地把病毒传播给人吗？ |
| 5. | The way to stop the spread now is more vaccinations
现在阻止病毒传播的方法是更多的接种疫苗。 |
| 6. | The way to stop the spread now is more vaccinations
现在阻止病毒传播的途径是更多的接种疫苗。 |
| 7. | Be careful not to spread the virus to other parts of your body
要小心避免将病毒传播至身体其他部位。 |
| 8. | Role of bridge population in the transmission of human immunodeficiency virus
桥梁人群在艾滋病病毒传播中的作用 |
| 9. | Control measures recommended to contain the spread of the virus include
控制传播遏制病毒传播的控制措施包括： |
| 10. | Focuses on sars and viruses and unveils the pathway on viral infection
以沙士及病毒为主题，揭开病毒传播的途径。 |
