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As the autumn chill ushers people back into homes, classrooms, and offices, the coronavirus may resurge even in states that have so far restrained its spread.
Why? The virus poses a greater threat in crowded indoor spaces than it does outdoors. Southern states, for example, saw a spike in infections when the temperatures soared this summer, prompting people to remain inside with the air-conditioners humming.
“I’m a little concerned we’re going to see that shift to the northern latitudes as the weather gets cold,” said Linsey Marr of Virginia Tech in Blacksburg, who studies how viruses move through the air.
In poorly ventilated indoor settings, like most restaurants and bars, the virus can remain suspended in the air for long periods and travel distances beyond six feet, Dr. Marr and other researchers said.
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Credit…Emily Schiffer.
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