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Topic: Hepatitis B

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In the News (Tue 16 Apr 19)

  Index | CDC Viral Hepatitis
Hepatitis B: is a serious disease caused by a virus that attacks the liver.
Hepatitis C: is a liver disease caused by the hepatitis C virus (HCV), which is found in the blood of persons who have the disease.
Hepatitis D: is a liver disease caused by the hepatitis D virus (HDV), a defective virus that needs the hepatitis B virus to exist.
www.cdc.gov /ncidod/diseases/hepatitis   (224 words)

 MedlinePlus: Hepatitis
The primary NIH organization for research on Hepatitis is the National Institute of Diabetes and Digestive and Kidney Diseases
Hepatitis is a swelling of the liver that makes it stop working well.
The type of hepatitis is named for the virus that causes it; for example, hepatitis A, hepatitis B or hepatitis C.
www.nlm.nih.gov /medlineplus/hepatitis.html   (313 words)

  Hepatitis B (serum hepatitis)
Hepatitis B virus can be found in the blood and, to a lesser extent, saliva, semen and other body fluids of an infected person.
Chronic hepatitis B carriers should follow standard hygienic practices to ensure that close contacts are not directly contaminated by his or her blood or other body fluids.
The hepatitis B vaccine is recommended for people in high-risk settings who have not already been infected and for infants who are born to infected mothers.
www.health.state.ny.us /diseases/communicable/hepatitis/hepatitis_b/fact_sheet.htm   (656 words)

  Viral Hepatitis
Hepatitis is Latin for "inflammation of the liver".
Hepatitis D can be thought of as an incomplete virus: it needs help from the hepatitis B virus in order to cause liver infection.
Hepatitis E has most often been seen in epidemics in parts of Mexico, Asia, and Africa; it is occasionally seen in the United States, but usually in people who have travelled to places where hepatitis E is common.
www.drreddy.com /shots/hepatitis.html   (1626 words)

 Hepatitis B Vaccine | Vaccine Education Center - Children's Hospital of Philadelphia
Hepatitis B virus infections are known as the "silent epidemic" because many people infected don't experience symptoms until decades later when they develop hepatitis (inflammation of the liver), cirrhosis (severe liver disease), or cancer of the liver (hepatocellular carcinoma).
Although the hepatitis B vaccine is made in yeast cells, no one has ever been shown to be allergic to the yeast proteins contained in the hepatitis B vaccine (see Yeast Allergies).
Because hepatitis B virus is a common cause of severe disease and death in the United States, and the hepatitis B vaccine does not cause permanent damage or death, the benefits of the hepatitis B vaccine clearly outweigh its risks.
www.chop.edu /consumer/jsp/division/generic.jsp?id=75730   (1365 words)

 Hepatitis B
Hepatitis B is a contagious liver infection caused by hepatitis B virus.
Hepatitis B infection is caused by the hepatitis B virus.
For example, hepatitis B can be transmitted from an infected mother to her baby at birth, through unprotected sex with an infected person, by sharing equipment for injecting street drugs, and by occupational contact with blood in a health-care setting.
www.astdhpphe.org /infect/hepb.html   (1032 words)

Hepatitis B virus is easily spread by any method in which bodily fluids (which all contain some quantity of virus), come into contact with the blood stream of another individual.
Hepatitis B vaccine is now part of the routine childhood immunizations recommended by the Center for Communicable Diseases and the American Academy of Pediatrics.
The effects of interferons in hepatitis B are different from those observed in hepatitis C, presumably because the viruses are entirely different in their life cycles and genetic content.
www8.utsouthwestern.edu /utsw/cda/dept25203/files/88587.html   (3492 words)

 Hepatitis - Wikipedia, the free encyclopedia
Hepatitis is characterised by malaise, joint aches, abdominal pain, vomiting 2-3 times per day for the first 5 days, loss of appetite, dark urine, fever, hepatomegaly (enlarged liver) and jaundice (icterus, yellowing of the eyes and skin).
Hepatitis B infections result in 500,000 to 1,200,000 deaths per year worldwide due to the complications of chronic hepatitis, cirrhosis, and hepatocellular carcinoma.
Alcoholic hepatitis is characterized by a variable constellation of symptoms, which may include feeling unwell, enlargement of the liver, development of fluid in the abdomen ascites, and modest elevation of liver blood tests.
en.wikipedia.org /wiki/Hepatitis   (1934 words)

 Hepatitis B
Hepatitis B is caused by an extremely infectious virus that attacks the liver.
Hepatitis B can also be spread by contaminated syringes and needles, and poorly sterilized instruments such as the ones used in tattoo and piercing parlors.
Symptoms of hepatitis B may appear as long as 4 weeks to 6 months after you are infected with the virus.
www.hmc.psu.edu /healthinfo/h/hepb.htm   (726 words)

 Hepatitis B: The Test
Anti-hepatitis B core antigen (anti-HBc) is an antibody to the hepatitis B core antigen.
Hepatitis B surface antibody (anti-HBs): a positive result indicates immunity to hepatitis B from the vaccination or recovery from an infection.
Hepatitis B surface antigen (HBsAg): A negative result indicates that a person has never been exposed to the virus or has recovered from acute hepatitis and has rid themselves of the virus (or has, at most, an occult infection).
www.labtestsonline.org /understanding/analytes/hepatitis_b/test.html   (1151 words)

 WHO | Hepatitis B
Hepatitis B is one of the major diseases of mankind and is a serious global public health problem.
Hepatitis means inflammation of the liver, and the most common cause is infection with one of 5 viruses, called hepatitis 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 (jaundice); dark urine; extreme fatigue; nausea; vomiting and abdominal pain.
Hepatitis B virus is not spread by contaminated food or water, and cannot be spread casually in the workplace.
www.who.int /mediacentre/factsheets/fs204/en   (1123 words)

 Hepatitis B - Wikipedia, the free encyclopedia
Hepatitis B is one of a few known non-retroviral viruses which employ reverse transcription as a part of its replication process.
Chronic infection with hepatitis B virus may be either asymptomatic or may be associated with a chronic inflammation of the liver (chronic hepatitis), leading to cirrhosis over a period of several years.
Hepatitis D infection requires a concomitant infection with hepatitis B. Co-infection with hepatitis D increases the risk of liver cirrhosis and subsequently, liver cancer.
en.wikipedia.org /wiki/Hepatitis_B   (2137 words)

 HepNet - The Hepatitis Information Network - Hepatitis B   (Site not responding. Last check: )
June 9, 1998: Dr. Morris Sherman, a Hepatologist practicing in Toronto, discusses current and future therapies for hepatitis B. Interferon alpha is effective in the treatment of chronic hepatitis B in adults and is approved for this indication in the United States and several other countries.
April 20, 2000: A hepatitis B outbreak among patients at six local clinics in the early 1990s was caused by a technologist and poor infection control practices, a new study says.
May 18, 1999: Testifying before a House subcommittee investigating vaccine safety, federal officials said the use of the hepatitis B vaccine has been monitored for 15 years, and it has not been proven to be the cause of any deaths and is only rarely linked to serious side effects.
www.hepnet.com /hepb.html   (1202 words)

 Hepatitis B
Hepatitis B can be prevented either before or right after exposure to the virus.
To prevent disease before exposure, hepatitis B vaccine is recommended for all infants, all 11-12 year-olds, people in high risk occupations (e.g., healthcare workers) and people with a high risk behavior (e.g., injection drug use or multiple sexual partners).
Susceptible sexual and household contacts of people with chronic hepatitis B should also be immunized and the sexual partners should be tested for immunity after they complete the 3-dose series.
healthlink.mcw.edu /article/955120578.html   (726 words)

 Hepatitis B
Hepatitis is any infection or inflammation of the liver, and the hepatitis B virus is an important cause of hepatitis.
The hepatitis B vaccine is one of the safest vaccines ever developed.
Since this is a disease that strikes sexually active adults, the hepatitis B vaccine should be considered by all students who have not yet been immunized.
health.rutgers.edu /Immunizations/HepatitisB.htm   (474 words)

 Hepatitis B - WrongDiagnosis.com
Hepatitis B is a diseases of the liver caused by the Hepatitis B virus (HBV), a member of the Hepadnavirus family$[1]$ and one of several unrelated viral species which cause viral hepatitis.
Hepatitis B is recognized as endemic in China and various other parts of Asia$[3]$.
With a diagnosis of Hepatitis B, it is also important to consider whether there is an underlying condition causing Hepatitis B. Underlying medical conditions are other medical conditions that may possibly cause Hepatitis B. For general information about Hepatitis B see our basic information pages.
www.wrongdiagnosis.com /h/hepatitis_b/intro.htm   (953 words)

Although hepatitis C can be spread from a mother to her fetus during pregnancy, the risk of passing hepatitis C to the fetus isn't very high (about 5%).
Hepatitis A is usually active for a short period of time and once a person recovers, he or she can no longer pass the virus to other people.
People with hepatitis B (the percentage who don't recover completely) or hepatitis C who continue to be infected can go on to develop chronic hepatitis and cirrhosis of the liver (the chronic degeneration and disruption of the structure of the liver).
www.kidshealth.org /parent/infections/bacterial_viral/hepatitis.html   (1915 words)

 Hepatitis B Vaccine Questions and Answers
In 1986, a hepatitis B vaccine produced by "recombinant DNA technology" was licensed, and a second recombinant-type hepatitis B vaccine was licensed in 1989.
The hepatitis B vaccines used in the United States are a recombinant DNA vaccine, which means it is produced by inserting the gene for HBV into common baker's yeast where it is grown, harvested, and purified.
It is recommended that the hepatitis B vaccine be given in the deltoid muscle for children and adults and the thigh for infants.
www.vaccineinformation.org /hepb/qandavax.asp   (1484 words)

 Hepatitis B (infectious liver inflammation type B)
Type B hepatitis is caused by a virus called hepatitis B virus.
In cases of chronic type B hepatitis, the severity of the disease can be determined by a tissue sample from the liver.
The most serious complications of chronic type B hepatitis are cirrhosis, and, in rare cases, liver cancer.
www.netdoctor.co.uk /diseases/facts/hepatitisb.htm   (873 words)

 Chapter 4 - Hepatitis, Viral, Type B - Yellow Book | CDC Travelers' Health
Hepatitis B is caused by the hepatitis B virus (HBV).
Hepatitis B vaccination is currently recommended for all U.S. residents who work in health-care fields (medical, dental, laboratory, or other) that involve potential exposure to human blood (3,4).
In addition, unvaccinated persons who have indications for hepatitis B vaccination independent of travel should be vaccinated, such as men who have sex with men, injection drug users, and heterosexuals who have recently had a sexually transmitted disease or have had more than one partner in the previous 6 months (4,6).
www.ncid.cdc.gov /travel/yb/utils/ybGet.asp?section=dis&obj=hbv.htm   (2028 words)

 hepatitis b
Hepatitis is an inflammation of the liver caused by certain viruses and other factors, such as alcohol abuse, some medications and trauma.
The most effective means of preventing hepatitis B virus infection is to avoid contact with the blood and body fluids, including semen and vaginal secretions, of infected individuals.
There are several vaccines available to prevent hepatitis B. Vaccination should be considered by people at high risk of infection: male homosexuals and heterosexuals with multiple partners, people who receive hemodialysis or blood products, household and sexual contacts of HBV carriers, and users of street drugs who share needles.
www.idph.state.il.us /public/hb/hbhepb.htm   (984 words)

 Hepatitis B
Viruses causing hepatitis include Hepatitis A, B, C, E and the delta factor.
A short infection is known as an "acute" case of hepatitis B. Approximately 10% of people infected with the hepatitis B virus develop a chronic, life-long infection.
Most damage from hepatitis B virus is caused by the body's response to the infection.
www.umm.edu /ency/article/000279.htm   (609 words)

 eMedicine - Hepatitis B : Article by Nikolaos T Pyrsopoulos, MD, PhD
The implementation of hepatitis B immunoglobulin (HBIG) during and post-OLT period, and of lamivudine or adefovir in the pre-OLT period and post-OLT period, dramatically improves the recurrence rate of HBV infection.
Lau JY, Wright TL: Molecular virology and pathogenesis of hepatitis B. Lancet 1993 Nov 27; 342(8883): 1335-40[Medline].
Yu MC, Yuan JM, Ross RK: Presence of antibodies to the hepatitis B surface antigen is associated with an excess risk for hepatocellular carcinoma among non-Asians in Los Angeles County, California.
www.emedicine.com /med/topic992.htm   (7723 words)

 MDTravel Health - Hepatitis B - vaccines and risk
Hepatitis B is a viral infection of the liver, found world-wide, with highest incidence in Africa, East Asia, the Pacific basin, the Amazon basin, the Asian republics of the former Soviet Union, the Caribbean, and the Middle East (except Israel) (see Geographic Pattern of Hepatitis B Prevalence, 1997).
Most travelers are at low risk for hepatitis B. The vaccine is recommended only for long-term (more than 6 months) travelers who expect to live in rural areas or have close physical contact with the local population in areas where hepatitis B is prevalent.
Two hepatitis B vaccines are currently licensed in the United States: Recombivax HB (Merck and Co., Inc.) (PDF) and Engerix-B (GlaxoSmithKline) (PDF).
www.mdtravelhealth.com /infectious/hepatitis_b.html   (677 words)

 Hepatitis (0-12 months)
Someone with chronic hepatitis, on the other hand, continues to be infectious and may have a variety of complications, including liver damage, liver failure, and liver cancer, depending on the type of hepatitis and the health of the infected person.
What are the symptoms of hepatitis B? Most infected infants show no signs of illness, but symptoms of hepatitis B include fever, fatigue, vomiting, loss of appetite, and jaundice (yellowing of the skin and eyes).
Babies born to mothers who are free of hepatitis B can be given the first shot between birth and 2 months, the second between 1 and 4 months, and the third between 6 and 18 months.
www.babycenter.com /refcap/baby/babyills/10882.html   (1147 words)

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