The current outbreak seems to be entering this stage, though not necessarily because we have all developed immunity.
现在的流感爆发像是进入了这一阶段，不过并不一定是因为我们都有这种免疫力。
Officials called the trial results "encouraging" given that three quarters of healthy kids over 10 developed an immunity to the virus.
官员们称试验的功效“令人鼓动”，已知四分之三10岁以上的康健孩子对这种病毒产生了免疫力。
Objective: In order to explore the mechanism and effect Dingchuantang in treating immunity of bronical asthma and cooperation with aminophylline, the experiment was developed.
目的：探讨定喘汤治疗支气管哮喘的免疫学作用机理及定喘汤与氨茶碱之间的协同治疗作用和机制。
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