Data analyses Resource Vaccines Frequency and Associations of Adverse Reactions of COVID-19 Vaccines Reported to Pharmacovigilance Systems in the European Union and the United States Ludwig Van - April 13, 2022 0 https://www.frontiersin.org/articles/10.3389/fpubh.2021.756633/fullhttps://www.frontiersin.org/articles/10.3389/fpubh.2021.756633/full