What is it like to be fully vaccinated against COVID 19? || Pfizer Vaccine 2nd Dose

What is it like to be fully vaccinated against COVID 19? || Pfizer Vaccine 2nd Dose || Vaccine Covid 19 in the USA This is what happened after I received my Pfizer Vaccine 2nd Dose for COVID 19 vaccine. How long will I have protective antibodies? Will it be effective against the new strains (variants) of SARS-CoV-2, with its new mutations? Scientists have identified an “escape mutant“ that may decrease the efficacy of Covid 19 vaccines. The mutation -- called E484K -- has been found in a variant of th