预防是迄今为止最好的选择，但存在这些疾病的共同危险因素的部门却不在公共卫生当局的直接控制之下。
Prevention is by far the better option, yet the Shared risk factors for these diseases reside in sectors beyond the direct control of public health.
如果不幸的是我们遇到了一起事故或者突发疾病，帮助我们的人会第一时间拿到我们的手机，但却不知道给谁打电话。
If we were to be involved in an accident or were taken ill, the people attending us would have our mobile phone but wouldn't know who to call..
在大多数情况下，这些致病基因不会产生任何问题，很多人只是携带着疾病却不会真正生病。
In many cases, they will not cause any problems, with people carrying the disease but not becoming ill themselves.
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