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...
Design of Intra-body Nano-communication Network for Future Nano-medicine 2018 - Intra-body communication is a method that utilizes the human body as a broadcast biological medium for electromagnetic signals to inter-connect wireless body sensors.