Arcturus Therapeutics Holdings Inc. (ARCT) is engaged in developing messenger RNA (mRNA) medicines and vaccines based on its innovative and enabling technologies.San Diego, CA-based Arcturus has developed the first self-amplifying mRNA (sa-mRNA) COVID-19 vaccine, Kostaive, in the world. The company has a collaboration agreement with renowned vaccine company CSL Seqirus for making innovative mRNA vaccines.Last week, Arcturus and CSL announced that Japan's Ministry of Health, Labor and Welfare (MHLWs) approve ...