Why more vaccinated people are getting Covid

Mark Shrime, MD, PhD
6 min readJun 27, 2021

Or: why denominators matter

Slowly but surely, we’re getting vaccinated. (In high-income countries, at least, but this isn’t a post about vaccine nationalism).

Covid case counts in the US have steadily decreased since mid-April, reaching numbers we haven’t seen since March of last year. It’s pretty phenomenal.

New Covid cases per day in the US (Source: New York Times)

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Mark Shrime, MD, PhD

Author, SOLVING FOR WHY | Global surgeon | Decision analyst | Climber | 3x American Ninja Warrior Competitor