Pfizer Says Covid Jab Could Battle U.K. Variant; Gritstone Expands Its Gain

Pfizer Says Covid Jab Could Battle U.K. Variant; Gritstone Expands Its Gain
ALLISON GATLIN
·2 min read

Vaccine stocks Pfizer and BioNTech dipped Wednesday after test results in the blood of vaccinated people showed their vaccine could protect humans against the U.K. variant of Covid-19.