FDA responds to Ladapo letter about DNA fragments detected in mRNA COVID-19 vaccines

FDA responds to Ladapo letter about DNA fragments detected in mRNA COVID-19 vaccines

In response to a letter in which Florida Surgeon General Joseph Ladapo noted the detection of DNA fragments in mRNA COVID-19 vaccines, Peter Marks, director of the U.S. Food and Drug Administration's Center for Biologics Evaluation and Research, emphasized the FDA's view that the shots are safe and effective.