Dynavax Technologies Corporation announced that the United Kingdom's Medicines and Healthcare products Regulatory Agency (MHRA) has granted Marketing Authorization in Great Britain for HEPLISAV B (Hepatitis B Vaccine (Recombinant), Adjuvanted) for the active immunization against hepatitis B virus infection (HBV) caused by all known subtypes of hepatitis B virus in adults 18 years of age and older. The approval was based on the positive benefit-risk for HEPLISAV B as demonstrated by the safety and immunogenicity results of three Phase 3 clinical trials. The approval was issued to Dynavax's affiliate Dynavax GmbH via the European Commission Decision Reliance Procedure (ECDRP).