Virus-proofing sports facilities presents a big challenge

The billions of dollars spent on state-of-the-art sports facilities over the last quarter-century have made high-efficiency air filtration systems more common, thanks in part to the pursuit of green and healthy building certifications. “Most of the real risk is going to be short-distance transmission, people sitting within two, three or four seats of each other,” said Ryan Demmer, an epidemiologist at the University of Minnesota’s School of Public Health. It's also why major sports leagues have been discussing plans to reopen in empty venues, for now.

source https://news.yahoo.com/virus-proofing-sports-facilities-presents-060318997.html