AstraZeneca Blood Clot Worries Could Set Back Vaccinations Worldwide SHAFIQ April 07, 2021 Comment ----YOU ADS--- Get Link ----YOU ADS--- Growing worries that AstraZeneca Plc's Covid-19 vaccine causes rare blood clots could hinder immunization campaigns across the world, from London to Seoul. ----YOU ADS--- Go to Link ----YOU ADS--- Share with your friends