In this episode, Heather provides an in-depth discussion on the COVID-19 mRNA vaccines authorized for emergency use in the US. She covers:

• What is mRNA
• How mRNA vaccines work
• How we know they are safe
• Why they cannot change your DNA
• How long might immunity last
• Why those who've recovered from COVID-19 should get vaccinated
• Comparison between the Pfizer and Moderna mRNA vaccines and more.