Eugene Gu, MD Profile picture
Physician against #MedTwitter doctors and other medical professionals asking people to commit suicide on social media through massive coordinated cyberbullying.
Dec 2, 2020 21 tweets 4 min read
There seems to be some confusion about how mRNA coronavirus vaccines work, so let me explain the underlying biology from start to finish. In a normal human cell, DNA in the nucleus is divided into genes. In humans, we have around 25,000 genes.

(Thread) 1/21 These genes contain instructions for making proteins. However, you can’t make proteins directly from the DNA. You need a middleman called messenger RNA, or mRNA. So let’s talk about how mRNA is made.
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