The research highlights how smartwatches can help reduce transmission by alerting individuals before they even feel sick. This smartwatch-based approach could provide a practical and cost-effective way to slow down or even stop pandemics before they escalate.

Smartwatches could be our secret weapon against pandemics, detecting infections before symptoms appear with up to 90% accuracy. Research shows that acting on these early warnings — by isolating even slightly — could drastically reduce disease spread.