All About Covid-19 Vaccine..!! How will it work..?? Will it be Effective against Mutant...?? Vedantu

All About Covid-19 Vaccine..!! How will it work..?? Will it be Effective against Mutant...?? Vedantu. The COVID-19 vaccines produce protection against the disease, as a result of developing an immune response to the SARS-Cov-2 virus. Developing immunity through vaccination means there is a reduced risk of developing the illness and its consequences. This immunity helps you fight the virus if exposed. The U.S. Centers for Disease Control and Prevention (CDC) lists common COVID-19 vaccine side effects as pain, swelling or redness at the injection site; fatigue; headaches; muscle pain; chills; fever; and nausea.