丙肝病毒是最常见的感染肝脏的病毒之一。

HCV is among the most common viruses that infect the liver.

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最常见的感染是尿路感染，手术创口感染和血液感染。

The most common are infections of the urinary tract, surgical site and bloodstream. Many infections have been increasing even as hospitals have made efforts to improve.

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虽然很多感染都会导致脱发，但是影响头皮和头发最常见的感染是癣。

Although a number of infections can lead to hair loss, the most common infection that affects the scalp and hair is ringworm.

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