The Philadelphia Inquirer: A Humidifier Could Help Ward Off COVID-19

December 14, 2020, The Philadelphia Inquirer

In a building crammed with mass spectrometers, gene sequencers, and other sophisticated equipment for studying the science of smell, Pam Dalton uses a low-tech approach to maintain her nasal health.

Three bowls of water on top of the heating vent in her office.

Dalton, a longtime researcher at the Monell Chemical Senses Center in West Philadelphia, knows the nose is a fantastic filter for viruses and other foreign particles. But it does not work as well when the air is dry — a drawback that infectious-disease experts say could explain some of the recent surge in COVID-19.

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