Pfizer-BioNTech COVID-19 Vaccine Appears Less Effective Against Omicron Variant, Study Suggests

The New York Times (12/7, Zimmer, Mueller) reports, “Laboratory experiments found that Omicron seems to dull the power of the Pfizer-BioNTech vaccine, but also hinted that people who have received a booster shot might be better protected.” The study condu...