Does this mean that medications lose their effectiveness or worse yet, become dangerous after the expiration date?

这是否意味着药物失去效力或更糟糕的是，在到期日期之后变得危险？

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Interval between first case and the reported date, quarantine measures, category of disease and transmission route were the influencing factors to the effectiveness of control.

多因素逐步回归分析，首例与疫情报告时间间隔、病例隔离措施、病种和传播途径影响疫情处理效果。

youdao

For optimal effectiveness, this product should be refrigerated and used before the date on bottle.

为达到最佳效果，此产品应使用冷藏和瓶子的日期之前。

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The generic is Budeprion XL 300, and concerns over its effectiveness date back to 2007 when patients started complaining of multiple side effects, including headaches, anxiety and insomnia.

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Both over-the-counter antihistamines and prescribed epinephrine auto-injectors have an expiration date, after which their effectiveness diminishes.

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