2. 外语
  3. Hepatitis (肝炎) means "inflammation (发火) of the liver", and its most common cause is infected with one of 5 viruses, called hepat

Hepatitis (肝炎) means "inflammation (发火) of the liver", and its most common cause is infected with one of 5 viruses, called hepat

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问题     Hepatitis (肝炎) means "inflammation (发火) of the liver", and its
most common cause is infected with one of 5 viruses, called hepatitis        【S1】______
A, B, C, D, and E. All of these viruses can cause an acute disease with
symptoms lasting several weeks including yellowing of the skin and
eyes, dark urine, extreme fatigue, vomiting and abdominal pain. It can
take several months for a year to feel fit again.                            【S2】______
    Hepatitis C (HCV) is the most prevalent liver disease in the world.
The World Health Organization consider Hepatitis C an epidemic.              【S3】______
Because Hepatitis C can infect a patient for decades after being             【S4】______
discovered, it is often called the "silent" epidemic. According to the
Center for Disease Control (CDC), 20-30% of people with chronic
Hepatitis C will eventually face life-threatened symptoms.                   【S5】______
    Currently, it is estimated there are about 270 to 300 million people
worldwide who are infected with HCV, 4 million of who are in the             【S6】______
United States. The prevalence seems to be high in Eastern Europe than        【S7】______
in Western Europe. In industrialized countries, HCV accounts of 20%          【S8】______
of cases of acute hepatitis, 70% of cases of chronic hepatitis, 40%
of cases of end-stage cirrhosis (硬化), 60% of cases of liver cancer
and 30-40% of liver transplants. The incidence of new symptomatic
infections of HCV have been estimated to be 13 cases out of 100,000          【S9】______
people annually. For every one person that is infected with the AIDS
virus, there are more than four infected with HCV. The CDC (Center
for Disease Control) estimates that there arc up to 26,000 new HCV
infections in the U.S. every year, and for that Hepatitis C causes 10,000    【S10】______
to 12,000 deaths each year.
【S7】
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