The percentage of people in the United States experiencing flu-like symptoms.

The curves on this website come from Outbreaks Near Me data (red) and the CDC (blue).

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About our Data


The US Centers for Disease Control (CDC) continuously records the percentage of patients seen in clinics who exhibit influenza-like illnesses (ILI) according to physicians' reports. A patient is said to have an Influenza-like illness if the patient has a fever plus a cough or sore throat.

The traditional clinical verification and distribution of this information takes approximately two to three weeks. This means that we do not have a sense of what is happening now using CDC information, we only have verified information of what happened two or three weeks ago.

Outbreaks Near Me

Outbreaks Near Me (ONM) is a crowd-sourced participatory disease surveillance system. It gathers information from users about their health in real-time. The plot shows the percentage of ILI-positive reports with respect to the total number of reports.