The COVID-19 pandemic has been a catalyst for rapid vaccine development by scientists and researchers around the globe compared to the usual time frame. From bench to bedside, the process of drug development can take up to 10 years; however, a global effort that involved pharmaceutical companies working collaboratively with international researchers has significantly accelerated the process. Despite the vaccine's high efficacy, there is still much more to learn about how individual groups

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... d to the vaccine. Terpos shared his thoughts regarding vaccination against COVID-19. Firstly, Terpos discussed the differences in efficacy between the most popular mRNA vaccines: BNT162B2 (Pfizer-BioNTech), mRNA-1273 (Moderna), AZD1222 (AstraZeneca), and Ad26.COV2.S (Johnson & Johnson). The vaccines by Pfizer-BioNTech and Moderna have the highest efficacy of >90%, whereas the latter two have a slightly lower efficacy rate: 70-90%.