Pfizer says COVID booster offers protection against omicron
Pfizer and its partner BioNTech said that lab tests showed a booster increased by 25-fold people’s levels of virus-fighting antibodies against the omicron variant Pfizer said Wednesday that a booster dose of its COVID-19 vaccine may offer important protection against the new omicron variant even though the initial two doses appear significantly less effective. Pfizer and its…