A third dose of the Pfizer/BioNTech COVID-19 vaccine can "strongly" boost protection against the delta variant -- beyond the protection afforded by the standard two doses, suggests new data released ...

NEW YORK, N.Y. — Pfizer announced Wednesday that data shows a third dose of its COVID-19 vaccine can “strongly” boost protection against the highly transmissible delta variant. The pharmaceutical and ...

A new preprint study suggests that Moderna’s COVID-19 vaccine may be significantly more effective against symptomatic disease from the delta variant compared to Pfizer-BioNTech’s vaccine, while the ...

Watch Jim Cramer discuss the market impact of the delta variant, Pfizer, Boeing and much more in Friday's live video interview. Following Thursday's decline, stocks opened higher Friday with the Dow ...

Pfizer's CEO is expressing confidence about the efficacy of his company's COVID-19 vaccine against the Delta variant, which was first discovered in India and has America's top scientists sounding the ...