Covid-Impfpflicht: ineffektiv, unethisch und kontraproduktiv laut internationaler Studie Aktualisiert am 26. Mai 2022 #Impfpflicht The unintended consequences of COVID-19 vaccine policy: why mandates, passports and restrictions may cause more harm than good | BMJ Global Health https://gh.bmj.com/content/7/5/e008684