Competitors refused to study the risk of thrombosis with Johnson & Johnson - WSJ
The American company Johnson & Johnson (J&J), which has developed a vaccine against COVID-19, has confidentially asked its pharmaceutical competitors to jointly study the risk of blood clots and unanimously declare the safety of drugs. However, Pfizer and Moderna dropped the idea, citing that their vaccines have no problems and participation in research could "tarnish" them, told The Wall Street Journal.