Pfizer is enrolling healthy adults to test a reformulated COVID-19 vaccine that matches the hugely contagious omicron variant, to see how it compares with the original shots. Pfizer and its partner ...
Pfizer and BioNTech will examine how well the modified COVID vaccine works on three groups: people who are unvaccinated, fully vaccinated, and fully vaccinated and boosted Pfizer and BioNTech have ...
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