Pfizer reported strong mid-stage weight loss trial results for its monthly obesity drug and posted fourth-quarter earnings ...

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 ...

Pfizer and BioNTech announced Monday their coronavirus vaccine was more than 90% effective in preventing COVID-19 among those without evidence of prior infection, hailing the development as “a great ...

President Donald Trump has demanded that pharmaceutical companies such as Pfizer release what he described as hidden COVID-19 vaccine data, raising questions about the legacy of Operation Warp Speed, ...

Pfizer and BioNTech said Monday that late-stage trials of its COVID-19 vaccine in children show that the shots were safe and effective in kids aged between 5 and 11. The results mark a key step in ...

Pfizer Inc.'s (NYSE:PFE) COVID-19 vaccine for children under five may lose U.S. Food and Drug Administration authorization this fall, raising the possibility of supply shortages and prompting Moderna ...

Eli Lilly’s Zepbound is still viewed as the leading weight-loss shot, according to a ...