Viral Hepatits: D (Delta)

• Defective Single-stranded RNA (Viroid)

• Requires Hep B for complete virion assembly

• Fulminant hepatitis healthy cariier state

• Infection Patterns:

• Acute HBV/HBD coinfection

• Acute HDV superinfection in chronic HBV

• Chronic HDV

• Serology: HDV D Ag, anti IgG or IgM HDV, HDV

• RNA

• No specific treatment