Question 245343 Pfizer vaccine uses the chimpanzee adenovirus as a vector to introduce the corona virus spike protein mRNA into the human cells. Select one: True or False October 20, 2022/by admin https://papershelpdesk.com/wp-content/uploads/2021/05/Logo-300x75.png 0 0 admin https://papershelpdesk.com/wp-content/uploads/2021/05/Logo-300x75.png admin2022-10-20 00:30:472022-10-20 00:30:47Question 245343