Pfizer Vaccine Safety Trials. So far pfizer and biontech have reported no serious safety concerns from their vaccine. Pfizer expects to have accumulated two months of safety data for people in the trial.
However, experts told nbc news in the us that there are still significant challenges and unanswered questions regarding the vaccine’s long term effects. The safety and immunogenicity data from this u.s. Pfizer ceo albert bourla told cnn the vaccine is “the greatest medical advance” in the world’s last hundred years.
Observed efficacy in adults over 65 years of age was over 94% safety data.
Vaccine efficacy is typically proved by large clinical trials over several years. Pfizer announced on monday that its coronavirus vaccine developed with biontech se prevented 90 percent of infections in a trial with tens of thousands of volunteers, in a major step toward authorization of a vaccine for general use.the pfizer vaccine trial enrolled 44,000 participants in total, with no serious safety issues arising from the vaccine itself. The pfizer vaccine is an entirely new kind of jab. The news sent stocks soaring and had the media all but doing cartwheels.