Why do Pfizer and Moderna's mRNA vaccines contain DNA that could alter the human genome?

5/7/2023 Professor Masayasu Inoue on mRNA vaccines: Why do Pfizer and Moderna's mRNA vaccines contain DNA that could alter the human genome? Why does the DNA found in Pfizer's COVID vaccine contain the sequence of SV40, a virus that causes cancer?
#Pfizer #Moderna #COVIDvaccine #mRNAvaccine
5/7/2023 井上正康教授谈mRNA疫苗: 为什么辉瑞和莫德纳的mRNA疫苗中都混有能改变人类基因的DNA？为什么辉瑞新冠疫苗混入的DNA竟然包含有癌症病毒SV40的序列？
#辉瑞 #莫得纳 #新冠疫苗