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  1. Hepatitis B infection has been preventable by vaccination since 1982. As of 2022, the hepatitis B vaccine is between 98% and 100% effective in preventing infection. The vaccine is administered in several doses; after an initial dose, two or three more vaccine doses are required at a later time for full effect.

    Hepatitis B - Wikipedia

    https://en.wikipedia.org/wiki/Hepatitis_B
  2. en.wikipedia.org › wiki › Hepatitis_BHepatitis B - Wikipedia

    Hepatitis B infection has been preventable by vaccination since 1982. As of 2022, the hepatitis B vaccine is between 98% and 100% effective in preventing infection. The vaccine is administered in several doses; after an initial dose, two or three more vaccine doses are required at a later time for full effect.

  3. en.wikipedia.org › wiki › Hepatitis_DHepatitis D - Wikipedia

    Those affected are individuals who have been infected with Hepatitis B virus as the Hepatitis D (HDV) virus needs the HBsAg (hepatitis B surface antigen) for packaging and transmission. The disease is present worldwide. Infection with HDV is a major medical scourge in low income regions of the globe in which the HBV remains endemic.

  4. Surveillance and mortality data for hepatitis A, hepatitis B and hepatitis C as well as outcome data from the Perinatal Hepatitis B Prevention Program 2022 Viral Hepatitis National Progress Report Indicators, targets, and progress toward achieving viral hepatitis goals

  5. Hepatitis C is a liver infection caused by the hepatitis C virus (HCV). Hepatitis C is spread through contact with blood from an infected person. Today, most people become infected with the hepatitis C virus by sharing needles or other equipment used to prepare and inject drugs.

  6. Sep 29, 2021 · Hepatitis C virus and hepatitis B can make an infected person very sick and they are risk factors for liver cancer, liver disease, liver failure, and liver damage. Prior to 1992, blood transfusion was a risk for contracting hepatitis C infection. Hepatitis B and C are blood-borne infections, while hepatitis A is easier to catch, but less serious.

  7. Hepatitis B infection has been especially common in some parts of the world, such as sub-Saharan Africa and parts of Asia, where 8 percent or more of the population was infected. 9 In some of these areas, Hepatitis B infection rates are now lower than they were, but infection rates are still higher in these areas than in the United States. 8,9

  8. Jun 12, 2017 · Chronic hepatitis B infection develops in up to 90% of individuals infected as neonates; however only 1-5% of individuals infected with HBV as adults develop chronic hepatitis B infection. Chronic hepatitis C infection develops in 75-85% of patients infected with hepatitis C. Individuals infected with HCV at a younger age are less likely to ...

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