But natural selection is a powerful force, and if the spread of the disease means they have to be used widely, a resistant strain of the virus could easily evolve.

但是自然选择是一种强大的力量，而如果疾病的传播意味着这些药物将被广泛使用的话，一种具有抗药性的病毒毒株可能将轻易地进化出来。

youdao

This paper describes early lessons learnt on the selection of a target disease and the core design choices for the pilot AMC.

本文描述了早期针对试点“预付款采购保证”选择目标疾病以及进行核心设计选择方面的经验教训。

youdao

This creates challenges to establish priorities in the selection of medical devices on the basis of their impact on the burden of disease.

这就为以医疗装置对疾病负担的影响为基础来确定选购重点带来了挑战。

youdao

This makes the selection of food such as brown rice important in preventing this disease.

VOA: standard.2010.06.25

Another reason for expecting that disease-related genes would be recently evolved is that the older a gene is, the more likely it is that errors and weaknesses that could lead to disease will have been eliminated by natural selection.

ECONOMIST: Genetic disease and evolution

The HFEA has said that the primary reason it allows "embryo selection" is to avoid serious disease in the resulting child.

BBC: Q&A: 'Designer baby' refusal