Pfizer booster study lifts mood over Omicron variant

Three doses of the Pfizer-BioNTech coronavirus vaccine appear effective against the Omicron variant, a lab test indicated—encouraging news, even as Denmark and Britain announced new restrictions to stem surging caseloads.

source https://medicalxpress.com/news/2021-12-pfizer-booster-mood-omicron-variant.html