Omicron vaccine

Pfizer and BioNTech begin clinical trial for Omicron-specific vaccine

The Omicron-specific vaccine will be administered as a 30-microgram dose

Originally Published: 25 JAN 22 06:45 ET By Amanda Sealy, CNN (CNN) -- Pfizer and BioNTech have begun a clinical trial for their Omicron-specific Covid-19 vaccine candidate, they announced in a news release on Tuesday. The study will evaluate…