> Are you talking about mRNA vaccines? Are you? You seemed to be talking about all vaccines. > How many people have gotten such a vaccine before the COVID-19

> Are you talking about mRNA vaccines? Are you? You seemed to be talking about all vaccines. > How many people have gotten such a vaccine before the COVID-19 vaccines and when? I don't have the exact figures but if you search for human mRNA trials, they seem to go back about 10 years.