F.O.I. Request Pfizer's COVID-19 Vaccine Contract with Canada. October 26, 2020, page 18, it states: the "Purchaser further acknowledges that the long-term effects and efficacy of the Vaccine are not currently known...
COVID-19: A Second Opinion. A group of world renowned doctors and medical experts provide a different perspective on the global pandemic response, the current state of knowledge of early and hospital treatment,
Bio-Cyber Interfaces for Intrabody Molecular Communications Systems, wireless medical telemetry a healthcare worker can remotely measure biological signals and control certain processes [OPTOGENETICS] - WBAN - IoBnT