It is a major global health problem and the most serious type of viral hepatitis.

它是一个重要的全球卫生问题，也是最严重类型的病毒性肝炎。

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A million people die from viral hepatitis every year, yet until now the public health response has been patchy and piecemeal, overwhelmed by the sheer scale of the problem.

每年有一百万人死于病毒性肝炎，可时至今日，公共卫生的应对活动却参差不齐，支离破碎，这与问题的严重程度不符。

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A: Hepatitis is an inflammation of the liver, most commonly caused by a viral infection.

答：肝炎是一种肝脏炎症，病毒感染是最常见的病因。

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As a leading cause of liver cancer and related complications, viral hepatitis presents a major public health challenge at home and abroad.

WHITEHOUSE: World Hepatitis Day

After a 2010 study by the Institute of Medicine of the National Academy of Sciences found serious shortcomings in resources and concluded that our approach to viral hepatitis needed a serious overhaul, Assistant Secretary for Health Dr. Howard Koh convened a working group to address the issues identified by the IOM report and its 22 specific recommendations.

WHITEHOUSE: Hepatitis B and the AAPI Community

Worldwide, one in twelve people is living with viral hepatitis -- a disease that threatens the health of millions of Americans and people across the globe.

WHITEHOUSE: Presidential Proclamation -- World Hepatitis Day, 2012