COVID-19 vaccines designed to elicit neutralising antibodies may sensitise vaccine recipients to more severe disease than if they were not vaccinated. Vaccines for SARS, MERS and RSV have never been approved, and the data generated in the development and testing of these vaccines suggest a serious mechanistic concern: that vaccines designed empirically using the traditional … Continue reading Informed consent disclosure to vaccine trial subjects of risk of COVID-19 vaccines worsening clinical disease – National Center for Biotechnology Information