Cocrystal Pharma, Inc. is a biotechnology company focused on discovering and developing antiviral therapeutics for serious and chronic viral diseases in the United States. It uses structure-based technologies to create drugs for influenza, norovirus, coronaviruses such as SARS-CoV-2 and MERS-CoV, respiratory virus infections, and hepatitis C virus (HCV). Its pipeline includes CC-42344, a novel PB2 inhibitor in Phase 2a for pandemic and seasonal influenza A, and an inhaled formulation of CC-42344 for potential prophylactic use; CDI-988, an oral pan-viral in Phase 1 for noroviruses and coronaviruses including SARS-CoV-2 and its variants; and CC-31244, an HCV non-nucleoside inhibitor that has completed Phase 2a. The company has a license and research collaboration agreement with Merck Sharp & Dohme Corp. for influenza A/B antiviral agents and a license agreement with Kansas State University Research Foundation for antiviral compounds against norovirus and coronavirus infections. Cocrystal Pharma, Inc. was headquartered in Bothell, Washington.