How Sunlight, the Immune System, and Covid-19 Interact

For thousands of years, humans have recognized that the sun plays a role in the emergence and transmission of viruses

Markham Heid
Elemental

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Illustration: Shuhua Xiong

Last month, during a now-infamous press conference, Donald Trump speculated about the ways in which sunlight and chemical disinfectants could help protect people from the threat…

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Markham Heid
Elemental

I’m a frequent contributor at TIME, the New York Times, and other media orgs. I write mostly about health and science. I like long walks and the Grateful Dead.