Boulder County Respiratory Illness Data
Boulder County Public Health analyzes data to measure respiratory illness in Boulder County. This interactive tool provides an overview of emergency department (ED) visits and hospitalizations in Boulder County for respiratory illnesses, including Respiratory Syncytial Virus (RSV), Influenza-Like Illness (ILI)*, and COVID-19, during the respiratory illness season.
*ILI: A category of illnesses that share symptoms with influenza, such as fever, cough, and sore throat, but may be caused by various respiratory pathogens, including flu viruses.
This data is updated weekly on Mondays (Tuesdays during holidays).