The actor Ian McKellen receives the Pfizer-BioNTech COVID-19 vaccine in London on December 16. Pfizer’s top scientist said it chose a relatively low COVID-19 vaccine dose to minimize side effects. Pfizer’s vaccine has 30 micrograms of mRNA, the active ingredient. Moderna’s has 100 micrograms. Both vaccines produce similar side […]
Pfizer picked a COVID-19 vaccine dose far lower than Moderna’s to minimize side effects, its top scientist says
![Pfizer picked a COVID-19 vaccine dose far lower than Moderna’s to minimize side effects, its top scientist says](https://www.gbcspt.com/wp-content/uploads/2021/09/e741ac4a62d05872bc185a7a94f1c07c.jpeg)