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 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 ...

The study is based on a random sample that included people with asymptomatic infections. Vaccines protect well against severe disease.

Punishing the vaccinated to fight the Delta variant is wrong. Instead, close doors to the people who refuse the COVID-19 vaccine to "own the libs." ...

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 ...