This work provided evidence that H. pylori had been transported across the Bering Strait by the ancestors of present-day Amerindians and thus has been present in humans for at least 11,000 years.
This work provided evidence that H. pylori had been transported across the Bering Strait by the ancestors of present-day Amerindians and thus has been present in humans for at least 11,000 years.
这项研究证明，幽门螺旋菌也跟著美洲印地安人的祖先，越过白令海峡传到美洲，因此它们在人类体内至少已经存在1万1000年了。