Wednesday, November 4, 2026Updated every morning at 5:30 AM ET
NanotechProgress

mRNA vaccines

Approval

What happened

The FDA fully approved the Pfizer-BioNTech vaccine, now sold as Comirnaty: the first COVID-19 vaccine to get full approval. Its review covered about 20,000 people who got the vaccine and 20,000 who got a placebo.

How far from your life

Everyday life

mRNA vaccines in lipid nanoparticles is on step 5 of 5. It is probably already in your life.

Source
“Today, the U.S. Food and Drug Administration approved the first COVID-19 vaccine.”US FDA, 23 Aug 2021

The bigger picture

More on mRNA vaccines

On step 5 of 5: Everyday life. Everything we track on it

  1. Widely usedCompany-reported

    Pfizer and BioNTech had supplied more than one billion doses of their COVID-19 vaccine, BioNTech said.

    Reuters, 9 Aug 2021
  2. Approval

    The FDA authorized the Pfizer-BioNTech vaccine for emergency use in people 16 and older, based on a randomized, blinded trial in thousands of people.

    US FDA, 23 Aug 2021