ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,331, issued on July 8, was assigned to UNIVERSITY OF MASSACHUSETTS (Westborough, Mass.).

"Bivalent dengue/hepatitus B vaccines" was invented by Daniel H. Libraty (Newton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the construction of and immunization with viral vaccines. In particular, bivalent vaccines that are capable of providing simultaneous virus infection protection for two or more different viruses. Furthermore, the bivalent vaccines contemplated herein are contemplated as being effective in a neonatal mammal. One such bivalent viral vaccine comprises two antigenic epitopes against the dengue viruses ...