By Paul D Thacker, investigative journalist Revelations of poor practices at a contract research company helping to carry out Pfizer’s pivotal covid-19 vaccine trial raise questions about data integrity and regulatory oversight. Paul D Thacker reports In autumn 2020 Pfizer’s chairman and chief executive, Albert Bourla, released an open letter to the billions of people around the … Continue reading Covid-19: Researcher blows the whistle on data integrity issues in Pfizer’s vaccine trial