Wissenschaftliche Studie des British Medical Journal stellt Wirksamkeit von Covid-Impfstoffen in Frage
https://www.bmj.com/sites/default/files/pd_opinion_bmj_deutsch_die_korr13.12_ukas_clean_docx_-_google_docs.pdf
https://blogs.bmj.com/bmj/2020/11/26/peter-doshi-pfizer-and-modernas-95-effective-vaccines-lets-be-cautious-and-first-see-the-full-data/