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Coronavirus Questions Answered: Does Outside Temperature Affect The Virus?

What are your questions about the coronavirus?

ideastream is answering as many questions as possible, with help from local experts in a range of fields. You can send us your questions with our online form, through our social media pages and group or call us at 216-916-6476. We'll keep the answers coming on our website and on the air.

Jim from Vermilion asked: “Does outside temperature affect the virus?”

University Hospitals infectious disease specialist Dr. Keith Armitage said hotter outside temperatures could impact how long a virus — including potentially coronavirus — can live on a surface.

But even though heat can shorten a virus’ lifespan on a surface, warmer temperatures probably won’t reduce the spread.

“If someone is coughing, they have coronavirus, and you’re near them, I think the temperature’s not going to have a big impact,” said Armitage.

The World Health Organization says evidence so far suggests coronavirus can spread in all climates, including hot and humid weather. WHO says COVID-19 is also unaffected by cold and snow.

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