A two-dose regimen of Pfizer vaccine conferred 95% protection against Covid-19 in persons 16 years of age or older. Safety over a median of 2 months was similar to that of other viral vaccines. 

The basis of upcoming Pfizer and Moderna coronavirus vaccines. How it works?

  It’s a two-shot vaccine, so what happens if people miss their second shot? Is a single shot still protective? The Pfizer-BioNTech vaccine requires two injections, given 21 days apart, to prime the immune system well enough to fight off the coronavirus. Two shots are needed, and the second shot is required to...

PFIZER AND BIONTECH VACCINE TO COMBAT COVID-19 What is in the vaccine? the Pfizer-BioNTech vaccine is based on the virus’s genetic instructions for building the spike protein. The technology relies on a small piece of messenger RNA (mRNA) from the coronavirus genome. It delivers a gene that codes for the coronavirus'...

The German company BioNTech partnered with Pfizer to develop and test a coronavirus vaccine known as BNT162b2. The mRNA technology, short for messenger RNA vaccines like Pfizer's are often referred to as the vaccines of the future, since the technology is fairly new. ·        The active ingredient is messenger RN...

Pfizer and BioNTech Announce Vaccine Candidate Against COVID-19 Achieved Success in First Interim Analysis from Phase 3 StudyVaccine candidate was found to be more than 90% effective in preventing COVID-19 in participants without evidence of prior SARS-CoV-2 infection in the first interim efficacy analysisAnalysis evaluated 94 confirmed cases...