dynavax technologies corporation is a clinical-stage biopharmaceutical company that develops products to prevent and treat infectious and inflammatory diseases and cancer. our clinical-stage product candidates include: phase 3 heplisav-b ™ adult hepatitis b vaccine phase 1/2 cancer immunotherapy phase 2 asthma therapy - partnered with astrazeneca in europe, dynavax manufactures hepatitis b surface antigen for heplisav-b.