Episode 1 - COVID-19 mRNA Vaccines Explained
- Heather McSharry, PhD
- Apr 7
- 1 min read
Updated: Apr 8
Listen on: Apple Amazon Music Spotify Podbean Audible
This is the original Pathogen Perspectives Episode rebranded for Infectious Dose.

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.

Relevant links
Pfizer-BioNTech COVID-19 Vaccine FDA Briefing Document: Vaccines and Related Biological Products Advisory Committee Meeting December 10, 2020. Includes data on efficacy and safety as well as formulation etc.
Moderna COVID-19 Vaccine FDA Briefing Document: Vaccines and Related Biological Products Advisory Committee Meeting December 17, 2020. Includes data on efficacy and safety as well as formulation etc.
Heather Nova's official website - her music is used with permission
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