Certain occupational groups such as herders, farmers, slaughterhouse workers and veterinarians are therefore at higher risk of infection.

因此，某些职业群体，如牧民、农民、屠宰工人和兽医，感染风险较高。

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The results show that women in the lower occupational groups were more likely to die of diseases of the heart and circulation, but not cancer.

这项研究发现，低职业阶层的女性死亡更多源于心脏和循环类疾病，而非癌症；

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The results show that women in the lower occupational groups were more likely to die of diseases of the heart and circulation, but not cancer.

这项研究发现，低职业阶层的女性死亡更多源于心脏和循环类疾病，而非癌症；

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