Pfizer and BioNTech announce plans to test omicron-specific COVID-19 vaccine in adult trials
Vaccine makers Pfizer and BioNTech announced plans early Tuesday to test an omicron-specific COVID-19 vaccine in people.
The companies will run three simultaneous trials in adults ages 18-55 to determine if an omicron-specific vaccine is more effective than current shots.
The existing vaccine was developed to target the original or "ancestral" strain of COVID-19. While three shots appear to provide some protection against omicron, the vaccine, called Comirnaty, is not as effective as it was against earlier strains.
“This study is part of our science-based approach to develop a variant-based vaccine...