Public Health England (PHE) published real-world analyses of people in the U.K. who had received the first shot of the Pfizer-BioNTech Covid-19 vaccine, with the data – which were published in The Lancet – showing that there was a decrease of about 70 percent in infections among healthcare workers after the first shot.

The U.S. Food and Drug Administration issued new guidance for vaccine makers as the regulatory agency is preparing for the possibility of needing to approve Covid-19 booster shots against variants of the SARS-CoV-2 virus.

FDA to allow Pfizer-BioNTech vaccine to be stored at higher temps: NYT (Reuters) – The U.S. Food & Drug Administration plans to approve Pfizer Inc and BioNTech SE’s request to […]

U.S. President Joe Biden secured a commitment from Pfizer Inc. to double the Covid-19 vaccine the company churns out in the coming weeks, putting his goal to fill the country’s inoculation stockpile by summer in sight.

The two Covid-19 vaccines approved for use in the United States have reassuring safety profiles, the U.S. Centers for Disease Control and Prevention said on Feb. 19 after monitoring the first month of vaccinations between December 2020 and January 2021.

Pfizer Inc. and BioNTech SE asked the U.S. health regulator to relax requirements for their Covid-19 vaccine to be stored at ultra-low temperatures, potentially allowing for it to be kept in pharmacy freezers.

Pfizer’s Covid-19 vaccine greatly reduces virus transmission, according to two Israeli studies, shedding light on one of the biggest questions of the global effort to quash the pandemic.

Pfizer Inc. and BioNTech SE started an international study with 4,000 volunteers to evaluate the safety and effectiveness of their COVID-19 vaccine in healthy pregnant women.

With distribution of Covid-19 vaccines being slow, public health officials and researchers are trying to develop schemes and rationales for delaying the dosing of the second shots of the Pfizer-BioNTech and Moderna vaccines – with the first shots being highly effective – allowing the current limited vaccine supply to be given to more people.

South Korea’s intelligence agency said North Korea attempted to steal information on coronavirus vaccines and treatments by hacking Pfizer Inc., a lawmaker briefed by the agency said.