News analysis
A new scientific study titled “Serious adverse events of special interest following mRNA vaccination in randomized trials” provides the best evidence yet concerning the safety of the mRNA COVID vaccines. For most vaccines in common use, benefits far outweigh risks, but that may not be the case for the mRNA COVID vaccines, according to this study by Joseph Fraiman and his colleagues. It depends on your age and medical history.
The randomized controlled clinical trial is the gold standard of scientific evidence. When regulators approved the Pfizer and Moderna mRNA vaccines for emergency use in December 2020, two randomized trials showed that the vaccines reduced symptomatic COVID infection by over 90 percent during the first few months after the second dose….