Major Study Finds No Serious Health Issues From Pfizer, Moderna Vaccines

An ongoing study of more than 6 million Americans found no serious side effects linked to mRNA COVID-19 vaccines.

“These results from our safety surveillance are reassuring,” said Dr. Nicola Klein, director of the Kaiser Permanente Vaccine Study Center in Oakland, Calif. She spoke in a Kaiser Permanente news release.

Klein is also a leader of Vaccine Safety Datalink (VSD), which studies patient records for 12 million Americans. The project is supported by the U.S. Centers for Disease Control and Prevention.

The Journal of the American Medical Association published Datalink’s first comprehensive findings on Sept. 2.

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