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病毒传染性越强,毒力就越弱?事实远比想象残酷!
在病毒学的研究领域中,病毒演化仅有一个明确的大方向,那就是朝着传染性越来越强的方向发展。不少人往往会陷入一个误区,认为传染性越强的病毒,毒力就必然越弱。 实际上真的如此吗? 病毒的毒力与宿主抗病性之间的变化关系并非呈现简单的线性模式,而是双方相互制约 ...
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