Sabtu, 04 Juli 2009

Hepatitis C Statistics

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Hepatitis C Statistics
It is estimated that about 4 million people in the United States are infected with hepatitis C, which is about 2% of the population. This makes hepatitis C much more common than HIV infection. About 2.7 million Americans had chronic hepatitis C infection in the early 1990s, which means they could not clear the virus on their own. This number is expected to increase to 10.8 million in the next 10 to 12 years. Each year, there are about 35,000 cases of acute hepatitis C.

Chronic hepatitis C infection is more common in certain groups, such as the homeless, Vietnam War veterans, the prison population, and hemophiliacs. The incidence is high in these groups because they are more likely to have the hepatitis C risk factors. The highest rates of HCV infection are among IV drug users--70% to 90% of IV drug users have HCV infection.

Hepatitis C and Veterans
The prevalence of hepatitis C is higher among veterans than in the general population, particularly among Vietnam War veterans. Of 325,000 veterans tested for HCV from 1998 through 2000 as part of a national screening program, 20%, or 65,000, were found to be HCV positive.

If you are a veteran and think you might be at risk for hepatitis C, ask your doctor about getting tested for hepatitis C. In some cases, the diagnosis can be related to military duty and treatment may be covered by VA benefits.

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Hepatitis C and Hemophiliacs
Hemophiliacs are at higher risk than the general population for all bloodborne infections because they regularly receive blood transfusions and blood products such as clotting factor. In 1987, viral inactivation procedures were instituted in all blood banks. These procedures have largely eliminated receipt of blood products as a source of HCV infection. However, hemophiliacs who received factor concentrate before this time may be at high-risk for hepatitis C.

Hepatitis C and the Prison Population/The Homeless
The rate of hepatitis C infection is higher in the prison population than in the general population, with estimates ranging from 28% to 67%. This is probably due to the fact that injection drug use is very common among those who are in prison. In fact, about 80% of the nation's estimated 1.7 million IV drug users have been through the prison system. And 80% of those in prison admit to having used illegal drugs; about 1 in 4 have injected illegal drugs.

Hepatitis C is also very common in the homeless population, again due to the presence of hepatitis C risk factors such as injection drug use and high-risk sexual behavior. A study of homeless adults in the Los Angeles area found that 22% were infected with the hepatitis C virus.

Hepatitis C and HIV-Positive People
About one third of people with HIV (the virus that causes AIDS), primarily those who acquired HIV through injection drug use or through a blood transfusion, are also infected with the hepatitis C virus. Because hepatitis C infection can become serious very quickly in HIV-positive people, they should be tested for HCV.

http://www.allabouthepatitisc.com/readytolearn/about/statistics.jsp


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