helr逻辑笔记总结+使用心得（ 11月12日杀鸡成功）

vivianlbj · 发表于 2014-11-19 21:37:11

xiexiefenxiang~~

Satanilles · 发表于 2014-11-19 21:58:37

感谢分享

wangwanwang · 发表于 2014-11-19 22:00:50

Until now only injectable vaccines against influenza have been available. They have been primarily used by older adults who are at risk for complications from influenza. A new vaccine administered in a nasal spray form has proven effective in preventing influenza in children. Since children are significantly more likely than adults to contract and spread influenza, making the new vaccine widely available for children will greatly reduce the spread of influenza across the population.