幽门螺旋杆菌感染主要发生在童年时期。

Infection with H. pylori is mainly acquired in childhood.

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大部分胃溃疡病例是由于幽门螺旋杆菌感染造成。

The majority of cases ulcers are caused by infection with Helicobacter pylori bacteria.

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而受幽门螺旋杆菌感染亦会增加患上胃癌的风险。

Infection with Helicobacter pylori will also increase the risk of developing stomach cancer.

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