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幽门螺杆菌在环境中至少可生存一定的有限时间，而人类则是该菌感染的唯一来源。幽门螺杆菌通过粪－口或口－口途径，可在人与人之间进行直接或间接的传播。
Helicobacter pylori in the environment at least for a limited period of time, while humans are the only source of infection of the bacteria. Helicobacter pylori through the fecal - mouth or mouth - mouth route, can be transmitted directly or indirectly between people.