Uhm.. Just reprogram my immune system, bro.
https://www.news-medical.net/news/20210510/Research-suggests-Pfizer-BioNTech-COVID-19-vaccine-reprograms-innate-immune-responses.aspx
https://www.news-medical.net/news/20210510/Research-suggests-Pfizer-BioNTech-COVID-19-vaccine-reprograms-innate-immune-responses.aspx