Moderna, Inc., a clinical stage biotechnology company, develops therapeutics and vaccines based on messenger RNA for the treatment of infectious diseases, immuno-oncology, rare diseases, and cardiovascular diseases. As of February 15, 2019 the company had 11 programs in clinical trials and a total of 20 development candidates in six modalities comprising prophylactic vaccines, cancer vaccines, intratumoral immuno-oncology, localized regenerative therapeutics, systemic secreted therapeutics, and systemic intracellular therapeutics. It has strategic alliances with AstraZeneca, Merck & Co., Vertex Pharmaceuticals, Biomedical Advanced Research and Development Authority, Defense Advanced Research Projects Agency, and Bill & Melinda Gates Foundation; and a research collaboration with Harvard Universit