‘We Must Be Very Cautious With Genetic Medicines’: Dutch Molecular Biologist Warns

Research shows that mRNA vaccines can produce foreign proteins in the human body—the effects of which are ‘unpredictable.’

A health care worker prepares a COVID-19 vaccine in Hong Kong in a file photograph. Anthony Kwan/Getty Images

Dutch molecular biologist Dr. Maarten Fornerod warned that the world should be “very cautious with genetic medicines” while pointing to a recent study showing that mRNA vaccines produced foreign proteins that posed unknown risks.

In a Dec. 20 program on the German news platform Blckbx, Dr. Fornerod was asked about a Dec. 6 study published in Nature, which showed that the mRNA vaccines produced foreign proteins other than the spike protein aimed at immunization. “The consequences are that you get those unexpected proteins, those shuffled proteins, which actually have no known meaning for the cell,” Dr. Fornerod said.