StopTheSpread

Understanding How the COVID Vaccine Works

Types of COVID Vaccines There are currently three types of COVID-19 vaccines that have been authorized for emergency use by the World Health Organization (WHO) and various regulatory bodies around the world: mRNA vaccines: These vaccines, including Pfizer-BioNTech and Moderna, use a small piece of the genetic material (mRNA) of the virus to trigger an immune response. Once injected, the…