Therefore, it is impossible to catch a disease from a dirty needle.

因此，由于脏针头而染病是不可能的。

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It deals with an earlier stage in the process of gene coding for biological activity, and could therefore offer therapies and diagnostic markets that catch a disease much closer to the source.

它主要涉及生物活动基因编码过程的早期阶段，并且可以提供给治疗和诊断市场距离疾病源更近的产品。

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This disease is surprisingly difficult to catch, as most people have a natural resistance to it.

这种病令人惊讶的难以患上，因为大多数人对它有一种先天的免疫力。

《柯林斯英汉双解大词典》

As for the cost of scanning, Vachon says it's cheaper to catch a disease early.

FORBES: Cranking Up the Volume

They are not protected at all at that age by the DTaP, and since a huge percentage of even appropriately vaccinated people can still catch and transmit the disease, parents cannot rely on the theory that their baby is safe from the disease if exposed to them.

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If some reputable agency or study declared that eating five apples a day would prevent cancer and heart disease, the price of apples would soar until growers could catch up with demand.

FORBES: Fact and Comment