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Covid-19 Vaccine: How Do They Work?

Explore the various types of Covid-19 vaccines.

Photo by United Nations COVID-19 Response on Unsplash

As Covid-19 vaccines become available, they will help prevent a disease that can be dangerous or even deadly. Today, we explore how our bodies fight infection and how Covid-19 vaccines work to protect us by producing immunity.

Our immune system: Our



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Michael Hunter, MD

I have degrees from Harvard, Yale, and Penn. I am a radiation oncologist in the Seattle area. You may find me regularly posting at