Pfizer: We Have a Pseudovirus Built in Our Lab

PFIZER CEO Albert Bourla:”The data that we received are data that we got from what we call PSEUDOVIRUS,so this is not the real virus. IT IS A VIRUS THAT WE HAVE CONSTRUCTED IN OUR LABS AND IT IS IDENTICAL WITH THE OMICRON VIRUS…” pic.twitter.com/op2x71EqhO

— Nicole Elisei (@EliseiNicole) December 9, 2021

What is a Pseudovirus?

Utility of pseudoviruses

Upon entry into susceptible cells, pseudoviruses are only capable of replicating once, which is comparable to wild-type (WT) viruses that often replicate multiple times. Additionally, pseudoviruses also lack the virulent components of their parent virus, which practically eliminates the possibility that these virus particles could cause an active infection to an exposed individual.

Emphasis on practically is mine. I immediately thought of Jeff Goldblum's character in Jurassic Park, enve t hough viruses aren't alive: