Why Are Some COVID-19 Cases Asymptomatic?

For many, COVID has been a devastating virus, but there are people who don't exhibit any symptoms at all. Why is that? You can find all of our latest episodes regarding the COVID-19 pandemic here: https://www.youtube.com/playlist?list=PLsNB4peY6C6IQediwz2GzMTNvm_dMzr47 Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
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