Types of Hepatitis

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Chapter 2 : Types of Hepatitis

Types of Hepatitis arrow_upward

  • There are 5 types of hepatitis:
    • Hepatitis A
    • Hepatitis B
    • Hepatitis C
    • Hepatitis D
    • Hepatitis E

    Hepatitis A arrow_upward

  • Hepatitis A is a virus that causes liver disease.
  • This form of hepatitis never leads to a chronic infection and usually has no complications.
  • The liver usually heals from hepatitis A within two months.
  • However, occasional deaths from hepatitis A have occurred due to massive liver infection.
  • Hepatitis A can be prevented by vaccination.

  • Hepatitis B arrow_upward

  • This form of hepatitis causes liver damage.
  • Most people recover from the virus within six months, but sometimes the virus causes a lifelong chronic infection, resulting in serious liver damage.
  • Once infected, a person can spread the virus even if he or she does not feel sick.
  • Hepatitis B can be prevented by vaccination.

  • Hepatitis C arrow_upward

  • One of the most common causes of liver disease in the U.S., Hepatitis C is the number one reason for liver transplant.
  • At least 80% of patients with hepatitis C develop a chronic liver infection.
  • Approximately 2.7 million people in the U.S. are chronically infected with hepatitis C, according to the CDC.
  • It often does not show any symptoms.
  • No vaccine is yet available to prevent hepatitis C.

  • Hepatitis D arrow_upward

  • Hepatitis D virus (HDV) is an RNA virus that is structurally unrelated to hepatitis A, hepatitis B, or hepatitis C virus. It was discovered in 1977.
  • HDV causes a unique infection that requires the assistance of viral particles from hepatitis B virus (HBV) to replicate and infect other hepatocytes.
  • Its clinical course is varied and ranges from acute, self-limited infection to acute, fulminant liver failure.
  • Chronic liver infection can lead to end-stage liver disease and associated complications.

  • Hepatitis E arrow_upward

  • Hepatitis E is an enterically transmitted infection that is typically self-limited.
  • It is caused by the hepatitis E virus (HEV) and is spread by fecally contaminated water within endemic areas.
  • Outbreaks can be epidemic and individual.
  • Hepatitis E has many similarities with hepatitis A.
  • Hepatitis E has been associated with chronic hepatitis in solid organ-transplant recipients.

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