BRUSSELS—During a hearing today on the European Union’s COVID-19 response, Pfizer’s president of international developed markets, Janine Small, admitted that its vaccine had never been tested before its release to the general public on its ability to prevent the transmission of COVID when asked by Dutch politician and a current Member of the European Parliament (MEP) Robert “Rob” Roos. “Regarding the question around did we know about stopping immunization before it entered the market…No.,” Small replied with a smirk when asked by Roos if the Pfizer’ COVID vaccine was ever tested to stop the transmission of the virus before it...