Experts believe that exposure to more than 250msv increases the chances of a person developing cancer in their lifetime by 1%.

专家们确信，暴露在超过250毫希沃特放射量的环境下，将使一个人得癌症的几率提高1%。

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What passes for "exposure" in the case of nonviral cancers is a combination of genes and environment and a range of other X factors that can vary from person to person.

就与病毒无关癌症而言，这种“暴露”包括了因人而异的基因、环境以及许多其他未知因素。

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"We assume that by the age of five a person would have had at least one exposure to influenza," Katz explains.

我们假定，某人在5岁时，至少会患上一次流感，“Katz解释道。”

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That the skills, and particular, the social experiences in exposure to the non-technical part of the world, as a young person, made a huge difference for me.

那些在非技术领域，得到应用的技能,尤其是社会经验，对于年轻的我来说，作用非常大。

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If someone received a less severe exposure, such as through eating, the person would show early symptoms of weakness, confusion, headache, dizziness and shortness of breath.

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Wild animals -- especially bats -- are by far the most common cause of rabies exposure in the U.S. Bat bites, which typically occur when a person finds a bat in his home and tries to shoo it out, are responsible for 80% of cases in which the vaccine is given, Willoughby says.

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People may also catch chicken pox from direct exposure to a person with an active shingles rash if they have not been immunized by vaccination or a previous bout of chicken pox.

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