Pfizer and BioNTech have begun testing a vaccine against the Omicron strain

This was stated in the corporate letter. The study will include people between the ages of 18 and 55. The 1,420 participants will be divided into three groups, where they will study the various applications of the current Pfizer/BioNTech vaccine against COVID-19 and the Omicron strain-based vaccine. Thus, the first group will include participants who … Read more