Vaccine science plays a vital role in helping protect people and communities from infectious diseases. Pfizer scientists are developing a vaccine that, if clinically successful and approved, has the potential to help prevent disease caused by Clostridioides difficile (C. diff). Learn more about Pfizer’s research in C. diff:

"The Pfizer vaccine is contaminated with plasmid DNA, it's not just mRNA, it’s got bits of DNA in it." - Professor Phillip Buckhaults, Phd in Biochemistry and Molecular Biology. He does cancer genomics research at the University of South Carolina.