H. pylori affects approximately what proportion of people, usually asymptomatic?

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Multiple Choice

H. pylori affects approximately what proportion of people, usually asymptomatic?

Explanation:
Helicobacter pylori infection is very common worldwide, and most people who carry it don’t develop symptoms. The typical global carriage rate is about half the population, often acquired in childhood and lasting for life unless treated. Because many individuals remain asymptomatic, the proportion without symptoms is around 50%. Prevalence does vary by region and living conditions, but 50% is the standard estimate used in teaching. The smaller figure would miss many carriers, while the much larger figures would overstate how common infection is in the general population.

Helicobacter pylori infection is very common worldwide, and most people who carry it don’t develop symptoms. The typical global carriage rate is about half the population, often acquired in childhood and lasting for life unless treated. Because many individuals remain asymptomatic, the proportion without symptoms is around 50%. Prevalence does vary by region and living conditions, but 50% is the standard estimate used in teaching. The smaller figure would miss many carriers, while the much larger figures would overstate how common infection is in the general population.

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