" We found no new symptomatic infections" in any of the workers who had tested positive for antibodies.

在抗体检测呈阳性的工作人员中，" 没有发现有症状的感染病例" 。

Those people had significantly more protection against reinfection with BA. 4 or 5: 76 percent against symptomatic infection, and nearly 80 percent against all infection.

感染过奥密克戎的防止再感染 BA. 4 或 BA. 5 的抵抗力大大增强：对有症状感染的防护率为 76%，而对所有新冠变异感染的防护率接近 80%。

Immune systems are really complex, and there simply hasn't been enough research on people with and without symptomatic infections to suss out all the moving molecular parts.

免疫系统是非常复杂的，对于有或没有症状感染的人，我们都还没有足够的研究来弄清楚所有的运动分子。