旅行者只需遵从预防感染扩散的一些简单建议，即可保护自己和他人。
Travellers can protect themselves and others by following simple recommendations related to travel aimed at preventing the spread of infection.
他们正在不断地寻找新的方法来保护自己和他人免受放射性伤害。
They are steadily finding new means of protecting themselves and others from radioactivity.
旅行者应遵从预防感染扩散的简单建议，如注意呼吸道卫生等，保护自己和他人。
Travellers can protect themselves and others by following simple recommendations aimed at preventing the spread of infection such as attention to respiratory hygiene.
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