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Chapter 8 : Vaccination

Vaccination for Hepatitis A arrow_upward

  • Hepatitis A vaccination is recommended for all children starting at age 1 year, travelers to certain countries, and others at risk.
  • A safe and effective formalin inactivated alum conjugated vaccine containing HAV grown in human diploid cell culture is available.
  • A full course containing two intramuscular injections of the vaccine.
  • Protection starts after 4 weeks after injection and lasts for 10 – 20 years.

  • Vaccination for Hepatitis B arrow_upward

  • Hepatitis B vaccine, usually a three-dose series, is recommended for all children 0-18 years of age.
  • It is recommended for infants beginning at birth in the hospital.
  • All older children who did not get all the recommended doses of hepatitis B vaccine as an infant should complete their vaccine series as soon as possible.
  • Most states require hepatitis B vaccine for school entry.
  • Adolescents who are just starting their series will need two or three doses, depending on their age and the brand of vaccine used.
  • Adults at increased risk of acquiring HBV infection should also be vaccinated.
  • In addition, the vaccine can be given to any person who desires protection from hepatitis B.

  • Vaccination for Hepatitis C arrow_upward

  • There are vaccines for hepatitis A and hepatitis B.
  • If you have hepatitis C, your doctor may want you to take the vaccine for hepatitis B (and maybe the vaccine for hepatitis A), if you don't already have these viruses.
  • If you have hepatitis C, you are more likely to catch hepatitis A or hepatitis B, which would cause more damage to your liver.

  • Vaccination for Hepatitis D arrow_upward

  • Hepatitis D doesn't have its own vaccine, but it can be prevented with the hepatitis B vaccine.
  • This is because the hepatitis D virus is unusual.
  • It can only infect someone who has hepatitis B because it's a "defective virus."
  • HDV doesn't have the necessary viral equipment to replicate itself.
    • So, to get around this problem, HDV depends on the hepatitis B virus for replication.
  • By preventing hepatitis B infection, you can also prevent hepatitis D infection.

  • Vaccination for Hepatitis E arrow_upward

  • At present, no commercially available vaccines exist for the prevention of hepatitis E.
  • Several studies for the development of an effective vaccine against hepatitis E are in progress:
    • Recombinant vaccines
    • Subunit HEV vaccines

    Thank You from Kimavi arrow_upward

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