Contact tracing is the process of notifying people who have had close contact with people newly infected with COVID-19, to let them know they may have been exposed. When it comes to contact tracing, quarantining and isolation, timing is critical to prevent further infections.

On the Mayo Clinic Q&A podcast, Dr. Laura Breeher, a preventive medicine specialist and medical director of Occupational Health Services at Mayo Clinic, explains how digital tools were developed at Mayo Clinic to aid in contact tracing.