Hepatitis A vaccines

Abstract

A process for the production of inactivated Hepatitis A virus substantially free of host cell contamination is described, the process comprising: a)culturing Hepatitis A virus and harvesting a Hepatitis A preparation; b) treating said Hepatitis A preparation with a protease; and thereafter c) separating intact virus from protease-digested material; d) inactivating said virus. Also described are vaccines comprising the inactivated Hepatitis A virus, preferably in combination with strong adjuvants.

Dependencies are inferred from the claim text.