COVID-19 vaccines from the Pfizer Inc and BioNTech alliance and French group Valneva, Reuters reported. It said Britain had secured 30 million doses of the experimental BioNTech/Pfizer vaccine, and a deal in principle for 60 million doses of the Valneva vaccine, with a option of 40 million more doses if it was proven to be safe, effective and suitable.BioNtech is developing a potential coronavirus vaccine in cooperation with U.S.
pharmaceutical giant Pfizer.More than 150 possible vaccines are being developed and tested around the world to try to stop the pandemic.Earlier, US biotech firm Moderna said it would start the final stage of human trials for its vaccine candidate on July 27.