In recent weeks, one piece of data has gotten a lot of attention: 99.5% of all the people dying from COVID-19 in the U.S. are unvaccinated.
We are two researchers who work in public health and study immunity, viruses, and other microbes. Since the start of the pandemic, public health experts have been concerned about what might happen if large sections of the U.S. population, for whatever reason, did not get vaccinated. Over the past few weeks, the answer to that question is starting to emerge.
