- Each vaccine was tested for the doses ranging from 10 - 100 micrograms
- The second vaccine has been taken for clinical trials at 30-microgram dose
Pfizer and BioNTech said that their second vaccine had a similar immune response as compared to the first one. However, the second one had fewer side effects. The first vaccine is commonly named B1 while the s....
Tags : Pfizer, BioNTech, William Gruber, corona virus vaccine, COVID - 19 Pandemic ,