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 ...

LOS ANGELES (KABC) -- While overall COVID-19 rates remain relatively low in Southern California amid continuing vaccination efforts, officials are increasingly worried about a growing threat from the ...

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 ...

Newly released data from Pfizer/BioNTech’s ongoing study of their COVID-19 vaccine suggests it is effective at preventing serious symptoms and death at least six months after vaccination. The ...

To help fend off another wave of Covid-19, people will need a fourth dose of vaccine, Pfizer CEO Albert Bourla said Sunday. "Many variants are coming, and Omicron was the first one that was able to ...

The race is on for new treatments that stand up to omicron's explosive spread. With omicron's explosive spread threatening to outpace current COVID-19 treatments, the race is on to find new options ...

The study included more than 12,000 COVID-19 cases in the UK. Two coronavirus vaccines have shown to be effective against the variant first identified in India, according to a recent study. British ...