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Our Essential Coronavirus Coverage

The Atlantic’s COVID-19 coverage is supported by grants from the Chan Zuckerberg Initiative and the Robert Wood Johnson Foundation. More

This work was commissioned, produced, and edited by The Atlantic's editorial staff. Support for this work was provided in part by the organizations listed here.

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Adam Maida / The Atlantic

A Year Without Germs

Months of exuberant hand-sanitizing and social isolation during the pandemic have changed our exposure to microbes, in ways good and bad.