Reverse Engineering the source code of the BioNTech/Pfizer SARS-CoV-2 Vaccine

Bnt162b2

This image is the first 500 characters of the BNT162b2 mRNA from the WHO, via berthub.eu

Welcome! In this post, we’ll be taking a character-by-character look at the source code of the BioNTech/Pfizer SARS-CoV-2 mRNA vaccine.

Now, these words may be somewhat jarring – the vaccine is a liquid that gets injected in your arm. How can we talk about source code?

This is a good question, so let’s start off with a small part of the very source code of the BioNTech/Pfizer vaccine, also known as BNT162b2, also known as Tozinameran also known as Comirnaty.

The BNT162b mRNA vaccine has this digital code at its heart. It is 4284 characters long, so it would fit in a bunch of tweets. At the very beginning of the vaccine production process, someone uploaded this code to a DNA printer (yes), which then converted the bytes on disk to actual DNA molecules.

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