Daines among participants in Pfizer’s COVID-19 vaccine trial
Montana’s Republican Senator Steve Daines has a unique perspective on one of the two COVID-19 vaccines that’s nearing the finish line. Daines was a participant in the vaccine trial for Pfizer’s formulation, which is one of two mRNA-based vaccines taking vaccination science where it hasn’t been before. Pfizer and Moderna have both announced that their vaccines are 94 to 95 percent effective. Each uses human genes to teach the immune system to recognize the spike protein on the SARS-CoV-2 coronavirus, but they do it in a way that’s a markedly different process from previous vaccines. There’s no live, attenuated virus