Epidemiology and Prevention of Viral Hepatitis A to E: Hepatitis D (Delta) Virus Division of Viral Hepatitis.

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Presentation transcript:

Epidemiology and Prevention of Viral Hepatitis A to E: Hepatitis D (Delta) Virus Division of Viral Hepatitis

HBsAg RNA  antigen Hepatitis D (Delta) Virus

Low HDV Prevalence High Intermediate Very Low No Data Geographic Distribution of HDV Infection

Coinfection with HBV – severe acute disease – low risk of chronic infection Superinfection on top of chronic HBV – usually develop chronic HDV infection – high risk of severe chronic liver disease Hepatitis D - Clinical Features

HBV – HDV Coinfection Typical Serological Course

HBV – HDV Super-infection Typical Serological Course

Percutanous exposures  injecting drug use Permucosal exposures  sex contact Hepatitis D Virus Modes of Transmission

HBV-HDV Coinfection – Pre or postexposure prophylaxis to prevent HBV infection (HBIG and/or Hepatitis B vaccine) HBV-HDV Superinfection – Education to reduce risk behaviors among persons with chronic HBV infection Hepatitis D - Prevention

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