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Vaccines are a safe way to prevent viral infections. Vaccination is critical to lower overall morbidity and mortality of all SARS-CoV2 variants. While there are different vaccines, all vaccine technologies try to do the same thing: activate the immune system to be prepared to fight against the actual virus should the individual become infected. Currently, there are 242 vaccines being developed to protect the population from Covid-19. This document provides answers to frequently asked questions regarding vaccines. This linked document was prepared by members of the Orthodox Theological Society in America (OTSA).