|Spend the time||indoors|
A computer or another device with a web browser and Internet access.
Health Tracking Network
|Help researchers discover factors related to illness.|
|2-3 mins/week: share cold and flu symptoms.|
In the Health Tracking Network, people across the world work together to monitor common illnesses and discover factors related to illness.
When you join the Health Tracking Network, you: spend 2-3 minutes per week answering questions about cold and flu symptoms and other topics; earn money for charities of your choice; and * can track your own health, fitness, or anything of interest to you with separate tracking tools.
The Health Tracking Network has no ads, and participation is free and completely anonymous.
We seek volunteers from across the world. You must be 18 years or older to participate.