U.K. signs deals with BioNTech, Pfizer, and Valneva for COVID-19 vaccines By: MarketWatch July 20, 2020 at 05:11 AM EDT The U.K. has signed deals to secure 90 million doses of two possible COVID-19 vaccines. Read More >> Related Stocks: Astrazeneca Plc ADR Biontech Se ADR Pfizer