What does sickness sound like? Sometimes it’s obvious, like a cough, sniffle, or stuffy nose. But some conditions cause subtle changes that only a trained ear – or AI – can detect. Dr. Yael Bensoussan is a professor of otolaryngology and the director of the Health Voice Center at the University of South Florida. Her problem is this: How do you build a giant, public database of thousands of voice recordings, and use it to train AI tools that can hear when people are getting sick?