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Are You Sure You Understand Herd Immunity?

A closer look at what it really means and some common misconceptions

Photo: Macau Photo Agency/Unsplash

The Covid-19 pandemic has made us familiar with terms more frequently used in infectious disease journals than in common parlance. But in conversations with patients, friends, and family, I’ve noticed that understanding of these terms is often inaccurate or incomplete. This is…




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Craig Spencer MD MPH

Craig Spencer MD MPH

NYC ER doctor | Ebola Survivor | Director of Global Health in Emergency Medicine at Columbia University | Public Health Professor | Doctors Without Borders BoD

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