 Though Daiichi Sankyo OTCMKTS: DSNKY and Sanofi SA NASDAQ: SNY came forward to help produce other pharmas COVID-19 shots, the companies are calling it quits on their own, separate vaccine alliance in Japan. Daiichi Sankyo has decided to suspend the Squarekids combination vaccine production and a development deal for the pentavalent combination shot VN-0105 after encountering a manufacturing snag. 