The most common viral cause of Acute liver failure worldwide is:

Answer is B (Hepatitis B) Hepatitis B remains the most common viral agent responsible for Acute Liver Failure Worldwide Fulminant Viral Hepatitis leading to acute liver failure is typically seen with Hepatitis B infection (Increased by co-infection or super-infection with Hepatitis D) and Hepatitis E infection. The most common hepatitis virus responsible for fulminant disease and acute liver failure varies from one geographic region to the other. Hepatitis B is the most common cause of Acute Liver Failure in USA, Europe and Japan and accounts fbr a significant percentage of cases in the rest of the world thereby being the single most impoant virus implicated in Acute Liver Failure (Liver failure occurs in approximately 1 percent of patients with Acute Hepatitis B). Note: Hepatitis E is the most common cause of Acute Liver Failure in India 'In India, over 95% of acute liver failure is due to viruses, with 40% secondary to hepatitis E and 25-30% to hepatitis B. Hepatitis E is the most common cause of Acute Liver Failure in India - Sherlock's Diseases of the Liver and Biliary System